| [1] |
G. de Toma, O. R. White, G. A. Chapman, S. R. Walton, D. G.
Preminger, and A. M. Cookson.
Solar Cycle 23: An Anomalous Cycle?
Ap. J., 609:1140-1152, July 2004. [ ADS Abstract ] |
| [2] |
G. A. Chapman, A. M. Cookson, J. J. Dobias, D. G. Preminger, and S. R.
Walton.
Photometry of the full solar disk at the San Fernando Observatory.
Advances in Space Research, 34:262-264, 2004. [ ADS Abstract ] |
| [3] |
G. de Toma, O. R. White, G. A. Chapman, and S. R. Walton.
Solar irradiance variability: progress in measurement and empirical
analysis.
Advances in Space Research, 34:237-242, 2004. [ ADS Abstract ] |
| [4] |
D. P. Choudhary and R. L. Moore.
Filament eruption without coronal mass ejection.
Geophys. Res. Letters, 30:7-1, November 2003. [ ADS Abstract ] |
| [5] |
M. J. Penn, W. D. Cao, S. R. Walton, G. A. Chapman, and
W. Livingston.
Imaging Spectropolarimetry of Ti I 2231 nm in a Sunspot.
Solar Phys., 215:87-97, July 2003. [ ADS Abstract ] |
| [6] |
M. J. Penn, W. D. Cao, S. R. Walton, G. A. Chapman, and
W. Livingston.
Weak Infrared Molecular Lines Reveal Rapid Outflow in Cool Magnetic
Sunspot Penumbral Fibrils.
Ap. J. Letters, 590:L119-L122, June 2003. [ ADS Abstract ] |
| [7] |
S. R. Walton, D. G. Preminger, and G. A. Chapman.
The Contribution of Faculae and Network to Long-Term Changes in the
Total Solar Irradiance.
Ap. J., 590:1088-1094, June 2003. [ ADS Abstract ] |
| [8] |
S. R. Walton, D. G. Preminger, and G. A. Chapman.
A Statistical Analysis of the Characteristics of Sunspots and
Faculae.
Solar Phys., 213:301-317, April 2003. [ ADS Abstract ] |
| [9] |
M. J. Penn, S. Walton, G. Chapman, J. Ceja, and W. Plick.
Temperature Dependence of Molecular Line Strengths and Fei 1565 nm
Zeeman Splitting in a Sunspot.
Solar Phys., 213:55-67, March 2003. [ ADS Abstract ] |
| [10] |
G. A. Chapman, J. J. Dobias, D. G. Preminger, and S. R. Walton.
On the decay rate of sunspots.
Geophys. Res. Letters, 30:27-1, February 2003. [ ADS Abstract ] |
| [11] |
D. P. Choudhary and S. Gosain.
Study of bright points in the off-band Halpha filtergrams of
active regions.
Astronomische Nachrichten, 324:367-368, 2003. [ ADS Abstract ] |
| [12] |
D. P. Choudhary and S. Gosain.
Magnetic and velocity fields of active regions.
Astronomische Nachrichten, 324:362-363, 2003. [ ADS Abstract ] |
| [13] |
D. G. Preminger, S. R. Walton, and G. A. Chapman.
Photometric quantities for solar irradiance modeling.
Journal of Geophysical Research (Space Physics), 107(A11):6-1,
November 2002. [ ADS Abstract ] |
| [14] |
D. P. Choudhary, Y. Suematsu, and K. Ichimoto.
Observational Study of the Three-Dimensional Magnetic Field
Structure and Mass Motion in Active Regions.
Solar Phys., 209:349-360, October 2002. [ ADS Abstract ] |
| [15] |
G. A. Chapman.
A Study of AR 9144; A Fast-Growing EFR.
Solar Phys., 209:141-152, September 2002. [ ADS Abstract ] |
| [16] |
D. P. Choudhary, P. Venkatakrishnan, and S. Gosain.
On Magnetic Flux Imbalance in Solar Active Regions.
Ap. J., 573:851-856, July 2002. [ ADS Abstract ] |
| [17] |
D. P. Choudhary, T. Sakurai, and P. Venkatakrishnan.
Chromospheric Magnetic Field of Solar Active Regions.
Ap. J., 560:439-444, October 2001. [ ADS Abstract ] |
| [18] |
D. G. Preminger, S. R. Walton, and G. A. Chapman.
Solar Feature Identification using Contrasts and Contiguity.
Solar Phys., 202:53-62, August 2001. [ ADS Abstract ] |
| [19] |
G. A. Chapman, A. M. Cookson, J. J. Dobias, and S. R. Walton.
An Improved Determination of the Area Ratio of Faculae to Sunspots.
Ap. J., 555:462-465, July 2001. [ ADS Abstract ] |
| [20] |
G. de Toma, O. R. White, G. A. Chapman, S. R. Walton, D. G.
Preminger, A. M. Cookson, and K. L. Harvey.
Differences in the Sun's Radiative Output in Cycles 22 and 23.
Ap. J. Letters, 549:L131-L134, March 2001. [ ADS Abstract ] |
| [21] |
D. P. Choudhary.
The Photospheric Flow near the Flare Locations of Active Regions.
Journal of Astrophysics and Astronomy, 21:249-+, June 2000. [ ADS Abstract ] |
| [22] |
S. Ahern and G. A. Chapman.
An analysis of full-disk observations of facular contrast in the
blue and red.
Solar Phys., 191:71-84, January 2000. [ ADS Abstract ] |
| [23] |
D. P. Choudhary and G. A. Gary.
Magnetic field configuration of active region NOAA 6555 at the time
of a long-duration flare on 23 March 1991 - An Exception to Standard Flare
Reconnection Model.
Solar Phys., 188:345-364, September 1999. [ ADS Abstract ] |
| [24] |
S. R. Walton and D. G. Preminger.
Restoration and Photometry of Full-Disk Solar Images.
Ap. J., 514:959-971, April 1999. [ ADS Abstract ] |
| [25] |
A. C. Cadavid, J. K. Lawrence, A. A. Ruzmaikin, S. R. Walton, and
T. Tarbell.
Spatiotemporal Correlations and Turbulent Photospheric Flows from
SOHO/MDI Velocity Data.
Ap. J., 509:918-926, December 1998. [ ADS Abstract ] |
| [26] |
G. A. Chapman.
Doppler Patterns Associated with Emerging Flux Regions.
Solar Phys., 183:15-28, November 1998. [ ADS Abstract ] |
| [27] |
D. P. Choudhary, A. Ambastha, and G. Ai.
Emerging Flux and X-class Flares in NOAA 6555.
Solar Phys., 179:133-140, 1998. [ ADS Abstract ] |
| [28] |
S. R. Walton, G. A. Chapman, A. M. Cookson, J. J. Dobias, and D. G.
Preminger.
Processing Photometric Full-Disk Solar Images.
Solar Phys., 179:31-42, 1998. [ ADS Abstract ] |
| [29] |
G. A. Chapman, A. M. Cookson, and J. J. Dobias.
Solar Variability and the Relation of Facular to Sunspot Areas
during Solar Cycle 22.
Ap. J., 482:541-545, June 1997. [ ADS Abstract ] |
| [30] |
A. A. Ruzmaikin, A. C. Cadavid, G. A. Chapman, J. K. Lawrence, and
S. R. Walton.
Spectral Properties of Solar Convection and Diffusion.
Ap. J., 471:1022-+, November 1996. [ ADS Abstract ] |
| [31] |
G. A. Chapman and B. Ziegler.
An analysis of 1983 Observations of Facular Contrast with an Extreme
Limb Photometer.
Solar Phys., 168:259-272, October 1996. [ ADS Abstract ] |
| [32] |
S. R. Walton and G. A. Chapman.
The San Fernando Observatory Video Spectra-Spectroheliograph.
Solar Phys., 166:267-285, July 1996. [ ADS Abstract ] |
| [33] |
G. A. Chapman, A. M. Cookson, and J. J. Dobias.
Variations in total solar irradiance during solar cycle 22.
J. Geophys. Res., 101(.10):13541-13548, June 1996. [ ADS Abstract ] |
| [34] |
G. A. Chapman, A. M. Cookson, and J. J. Dobias.
Observations of changes in the bolometric contrast of sunspots.
Ap. J., 432:403-408, September 1994. [ ADS Abstract ] |
| [35] |
G. A. Chapman, A. M. Cookson, and D. V. Hoyt.
Solar irradiance from Nimbus-7 compared with ground-based
photometry.
Solar Phys., 149:249-255, February 1994. [ ADS Abstract ] |
| [36] |
J. G. Beck and G. A. Chapman.
A study of the contrast of sunspots from photometric images.
Solar Phys., 146:49-60, July 1993. [ ADS Abstract ] |
| [37] |
Committee-On-Solar-Physics and G. A. Chapman.
The Field of Solar Physics - Review and Recommendations for
Groundbased Solar Research.
Solar Phys., 142:415-+, December 1992. [ ADS Abstract ] |
| [38] |
G. A. Chapman, A. D. Herzog, J. K. Lawrence, S. R. Walton, H. S.
Hudson, and B. M. Fisher.
Precise ground-based solar photometry and variations of total
irradiance.
J. Geophys. Res., 97(.16):8211-8219, June 1992. [ ADS Abstract ] |
| [39] |
J. K. Lawrence, G. A. Chapman, and S. R. Walton.
Weak magnetic fields and solar irradiance variations.
Ap. J., 375:771-774, July 1991. [ ADS Abstract ] |
| [40] |
J. K. Lawrence and G. A. Chapman.
Photometric observations of the energetics of small solar active
regions.
Ap. J., 361:709-717, October 1990. [ ADS Abstract ] |
| [41] |
G. A. Chapman, A. D. Herzog, D. E. Laico, J. K. Lawrence, and M. S.
Templer.
Photometric measurements of solar irradiance variations due to
sunspots.
Ap. J., 343:547-553, August 1989. [ ADS Abstract ] |
| [42] |
J. J. Dobias and M. J. Plavec.
An Optical and Ultraviolet Survey of ALGOLS.
Space Science Reviews, 50:340-+, 1989. [ ADS Abstract ] |
| [43] |
J. K. Lawrence and G. A. Chapman.
Photometric observations of facular contrasts near the solar limb.
Ap. J., 335:996-1004, December 1988. [ ADS Abstract ] |
| [44] |
G. N. F. Chapman, M. J. Geller, and J. P. Huchra.
Linear clusters of galaxies - A194.
Astronom. J., 95:999-1022, April 1988. [ ADS Abstract ] |
| [45] |
J. K. Lawrence, G. A. Chapman, and A. D. Herzog.
Photometric determination of facular contrasts near the solar disk
center.
Ap. J., 324:1184-1193, January 1988. [ ADS Abstract ] |
| [46] |
G. A. Chapman and J. M. Oseas.
Observations from 1982 of facular limb darkening and excess solar
oblateness.
Solar Phys., 116:215-222, 1988. [ ADS Abstract ] |
| [47] |
G. A. Chapman.
Modelling of total solar irradiance variability from ground-based
observations.
Advances in Space Research, 8:21-30, 1988. [ ADS Abstract ] |
| [48] |
G. A. Chapman.
Solar and middle atmosphere variability; Proceedings of Symposium 12
and Workshop VIII of the 27th COSPAR Plenary Meeting, Espoo, Finland, July
18-29, 1988.
Advances in Space Research, 8, 1988. [ ADS Abstract ] |
| [49] |
G. N. F. Chapman, M. J. Geller, and J. P. Huchra.
Linear clusters of galaxies - A999 and A1016.
Astronom. J., 94:571-586, September 1987. [ ADS Abstract ] |
| [50] |
J. J. Dobias and M. J. Plavec.
A spectrophotometric study of the Algol binary system RX Geminorum.
Proc. Astr. Soc. Pacific, 99:274-283, April 1987. [ ADS Abstract ] |
| [51] |
J. J. Dobias and M. J. Plavec.
Flux distribution in the Algol binary system RW Persei.
Proc. Astr. Soc. Pacific, 99:159-172, March 1987. [ ADS Abstract ] |
| [52] |
M. J. Plavec and J. J. Dobias.
The moderately interacting Algol-type eclipsing binary RY
Geminorum.
Astronom. J., 93:440-450, February 1987. [ ADS Abstract ] |
| [53] |
G. A. Chapman.
Solar variability due to sunspots and faculae.
J. Geophys. Res., 92(.11):809-812, January 1987. [ ADS Abstract ] |
| [54] |
S. R. Walton.
Flux tube models of solar plages.
Ap. J., 312:909-929, January 1987. [ ADS Abstract ] |
| [55] |
M. J. Plavec and J. J. Dobias.
The moderately interacting Algol binary RS Cephei.
Astronom. J., 93:171-182, January 1987. [ ADS Abstract ] |
| [56] |
G. A. Chapman.
Variations of solar irradiance due to magnetic activity.
Ann. Revs. Astron. Astrophys., 25:633-667, 1987. [ ADS Abstract ] |
| [57] |
G. A. Chapman and J. E. Boyden.
Solar irradiance variations derived from magnetograms.
Ap. J. Letters, 302:L71-L73, March 1986. [ ADS Abstract ] |
| [58] |
G. A. Chapman, A. D. Herzog, and J. K. Lawrence.
Time-integrated energy budget of a solar activity complex.
Nature, 319:654-+, February 1986. [ ADS Abstract ] |
| [59] |
G. A. Chapman and A. D. Meyer.
Solar irradiance variations from photometry of active regions.
Solar Phys., 103:21-31, January 1986. [ ADS Abstract ] |
| [60] |
G. N. F. Chapman, M. J. Geller, and J. P. Huchra.
The ultraviolet variability of Seyfert 1 galaxies.
Ap. J., 297:151-165, October 1985. [ ADS Abstract ] |
| [61] |
K. H. Schatten, N. Miller, S. Sofia, A. S. Endal, and G. Chapman.
The importance of improved facular observations in understanding
solar constant variations.
Ap. J., 294:689-696, July 1985. [ ADS Abstract ] |
| [62] |
J. K. Lawrence, G. A. Chapman, A. D. Herzog, and J. C. Shelton.
Solar luminosity fluctuations during the disk transit of an active
region.
Ap. J., 292:297-308, May 1985. [ ADS Abstract ] |
| [63] |
J. J. Dobias and M. J. Plavec.
A redetermination of the luminosity, distance, and reddening of Beta
Lyrae.
Astronom. J., 90:773-783, May 1985. [ ADS Abstract ] |
| [64] |
J. J. Dobias and M. J. Plavec.
IUE and optical spectral scans of U Sagittae - an analysis and
comparison with U Cephei.
Proc. Astr. Soc. Pacific, 97:138-150, February 1985. [ ADS Abstract ] |
| [65] |
G. A. Chapman, A. D. Herzog, J. K. Lawrence, and J. C. Shelton.
Solar luminosity fluctuations and active region photometry.
Ap. J. Letters, 282:L99-L101, July 1984. [ ADS Abstract ] |
| [66] |
G. A. Chapman and T. W. Gingell.
Center-to-limb variations in the two-dimensional contrast of
photospheric faculae.
Solar Phys., 91:243-258, April 1984. [ ADS Abstract ] |
| [67] |
G. A. Chapman and G. Groisman.
A digital analysis of sunspot areas.
Solar Phys., 91:45-50, March 1984. [ ADS Abstract ] |
| [68] |
G. A. Chapman.
On the energy balance of solar active regions.
Nature, 308:252-254, March 1984. [ ADS Abstract ] |
| [69] |
J. K. Lawrence, G. A. Chapman, and A. D. Herzog.
Properties of flares observed in the MG I b2 line at 5172 A.
Solar Phys., 89:341-353, December 1983. [ ADS Abstract ] |
| [70] |
M. J. Plavec and J. J. Dobias.
RW Tauri as a weak W Serpentis star.
Ap. J., 272:206-213, September 1983. [ ADS Abstract ] |
| [71] |
V. A. Osherovich, G. A. Chapman, and T. Fla.
Magnetohydrostatic model of solar faculae.
Ap. J., 268:412-419, May 1983. [ ADS Abstract ] |
| [72] |
G. A. Chapman and D. P. Klabunde.
Measurements of the limb darkening of faculae near the solar limb.
Ap. J., 261:387-395, October 1982. [ ADS Abstract ] |
| [73] |
G. S. Orton, A. P. Ingersoll, R. J. Terrile, and S. R. Walton.
Images of Jupiter from the Pioneer 10 and Pioneer 11 Infrared
Radiometers - A comparison with visible and 5-micron images.
Icarus, 47:145-158, August 1981. [ ADS Abstract ] |
| [74] |
E. B. Mayfield and G. A. Chapman.
Magnetic flux changes associated with the solar flares of August
1972.
Solar Phys., 70:351-362, April 1981. [ ADS Abstract ] |
| [75] |
R. C. Willson, S. Gulkis, M. Janssen, H. S. Hudson, and G. A.
Chapman.
Observations of solar irradiance variability.
Science, 211:700-702, February 1981. [ ADS Abstract ] |
| [76] |
G. A. Chapman.
Variations in the solar constant due to solar active regions.
Ap. J. Letters, 242:L45-L48, November 1980. [ ADS Abstract ] |
| [77] |
D. Crampton, J. Dobias, and B. Margon.
The RS Canum Venaticorum system BD + 61 deg 1211 = 2A 1052 + 606.
Ap. J., 234:993-996, December 1979. [ ADS Abstract ] |
| [78] |
G. A. Chapman.
New models of solar faculae.
Ap. J., 232:923-928, September 1979. [ ADS Abstract ] |
| [79] |
P. Massey, G. J. Peters, J. Dobias, and P. S. Conti.
The behavior of H-alpha in the X-ray binary HD 152667.
Ap. J., 231:171-175, July 1979. [ ADS Abstract ] |
| [80] |
G. A. Chapman and T. E. McGuire.
The wavelength dependence of the facular excess brightness.
Ap. J., 217:657-660, October 1977. [ ADS Abstract ] |
| [81] |
G. A. Chapman and R. M. Broussard.
Bright X-ray arcs and the emergence of solar magnetic flux.
Ap. J., 216:940-946, September 1977. [ ADS Abstract ] |
| [82] |
J. N. Heasley, F. Kneer, and G. A. Chapman.
The effects of partial redistribution on facular K line profiles.
Solar Phys., 52:309-313, May 1977. [ ADS Abstract ] |
| [83] |
G. A. Chapman and N. R. Sheeley.
An improved measurement of a spectrogram of a 'gap'.
Solar Phys., 51:61-64, February 1977. [ ADS Abstract ] |
| [84] |
G. A. Chapman.
Facular line profiles and facular models.
Ap. J. Supplement, 33:35-54, January 1977. [ ADS Abstract ] |
| [85] |
A. P. Ingersoll and G. A. Chapman.
Temperature variation with latitude in the upper solar photosphere -
Relevance to solar oblateness measurements and facular models.
Solar Phys., 42:279-288, June 1975. [ ADS Abstract ] |
| [86] |
D. K. Lynch and G. A. Chapman.
Solar granulation and oscillations as spatially random processes.
Ap. J., 197:241-249, April 1975. [ ADS Abstract ] |
| [87] |
G. A. Chapman.
Recent measurements of the flux excess from solar faculae and the
implication for the solar oblateness.
Physical Review Letters, 34:755-758, March 1975. [ ADS Abstract ] |
| [88] |
G. A. Chapman.
On the Nature of the Small-Scale Solar Magnetic Field.
Ap. J., 191:255-260, July 1974. [ ADS Abstract ] |
| [89] |
G. A. Chapman.
Time-Averaged Observations of the Sun with a 3840 Å Filter.
Solar Phys., 37:151-+, 1974. [ ADS Abstract ] |
| [90] |
G. A. Chapman and A. P. Ingersoll.
Sun-Faculae and the '25-day' solar fluctuation.
Nature, 246:68-70, December 1973. [ ADS Abstract ] |
| [91] |
G. A. Chapman and A. P. Ingersoll.
Photospheric Faculae and the Solar Oblateness: a Reply to 'Faculae
and the Solar Oblateness' by R. H. Dicke.
Ap. J., 183:1005-1024, August 1973. [ ADS Abstract ] |
| [92] |
F. I. Shimabukuro, G. A. Chapman, E. B. Mayfield, and S. Edelson.
On the Source of the Slowly Varying Component at Centimeter and
Millimeter Wavelengths.
Solar Phys., 30:163-+, 1973. [ ADS Abstract ] |
| [93] |
G. A. Chapman and A. P. Ingersoll.
Photospheric Faculae and the Solar Oblateness.
Ap. J., 175:819-+, August 1972. [ ADS Abstract ] |
| [94] |
G. A. Chapman.
Time-Averaged Spectroheliograms.
Solar Phys., 26:299-304, 1972. [ ADS Abstract ] |
| [95] |
G. A. Chapman.
Magnetic Fields and Helium-D_3 Spectroheliograms.
Solar Phys., 24:288-+, 1972. [ ADS Abstract ] |
| [96] |
E. B. Mayfield, G. A. Chapman, and R. M. Straka.
Eclipse of Radio Emission on 7 March, 1970 at 10 cm Wavelength from
the Active Region Associated with McMath Plage 10618 (Papers presented at the
Proceedings of the International Symposium on the 1970 Solar Eclipse, held in
Seattle, U. S. A. , 18-21 June, 1971.).
Solar Phys., 21:460-+, 1971. [ ADS Abstract ] |
| [97] |
A. Stockton and G. Chapman.
On the Motions of Gas and Dust in NGC 2068.
Proc. Astr. Soc. Pacific, 82:306-+, April 1970. [ ADS Abstract ] |
| [98] |
G. A. Chapman.
On the Physical Conditions in the Photospheric Network: An Improved
Model of Solar Faculae.
Solar Phys., 14:315-+, 1970. [ ADS Abstract ] |
| [99] |
G. A. Chapman.
An Interference Filter for Observing the Photospheric Network.
Solar Phys., 13:78-+, 1970. [ ADS Abstract ] |
| [100] |
G. A. Chapman and N. R. Sheeley.
The Photospheric Network.
Solar Phys., 5:442-+, 1968. [ ADS Abstract ] |
| [101] |
R. Weymann and G. Chapman.
On the Possibility of Detecting Stellar Coronas at Radio
Frequencies.
Ap. J., 142:1268-+, October 1965. [ ADS Abstract ] |
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Last updated: March 6, 2005