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Name
GP Com
AAVSO UID
Constellation
J2000.0
B1950.0
13 03 15.96 +18 17 04.8
Proper motion
RA: -343.0 +/- 8.0 mas/y Dec: 37.0 +/- 8.0 mas/y Source: UCAC4
Galactic coord.
323.522 +80.314
Other names(Internal only)
Please note that aliases shown in grey link to obsolete records.
1AXG J130541+1801
1ES 1303+18.2
1RXS J130542.7+180057
1SWXRT J130542.3+180102
1SXPS J130542.3+180101
2E 1303.2+1817
2E 2967
2MASS J13054243+1801039
2RXS J130542.4+180059
2SXPS 165614
3XMM J130542.3+180103
AAVSO 1300+18
APOP 56298+0001614
ASASSN-V J130542.41+180104.0
CMC15 J130542.4+180103
CSS_J130542.3+180104
Downes GP Com
G 61-29
GALEX J130542.3+180104
GSC2.3 N5II001614
PM J13057+1801
RBS 1213
RX J1305.7+1800
SDSS J130542.26+180103.9
UCAC4 541-052903
WD 1303+18
WD J130542.40+180103.77
WISE J130542.16+180104.3
WISEA J130542.14+180104.2
XMMOM J130542.4+180104
XMMSL2 J130542.0+180100
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Variability type
IBWD
Spectral type
DBe
Mag. range
15.7 - 16.2 V
Discoverer
--
Epoch
Outburst
--
Period
0.032339 d (46.568 min)
Rise/eclipse dur.
--
Remarks
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1
Schmeer, Patrick
Gaia DR2 parallax 13.7309 ± 0.0596 mas (distance 72.68 ± 0.32 pc).
2
GCVS Team
mu = 0.38", p = 286deg. SB (Porb = 0.032306d). Unique object G 61-29. Consists of two interacting white dwarfs. The lower mass star, a helium white dwarf, transfers mass to the higher mass star surrounded by an accretion disk. Usually flares are being observed with an amplitude about 0.2m V, 0.5m U lasting about 20 seconds [B.Warner, MN 159, N3, 315, 1972. , J.Smak, AA 25, N3, 227, 1975. ]. Sometimes periods of photometric activity arise when amplitude of light variations reaches 0.6m V and sharp passages from maxima to minima are being observed; the duration of these minima reaches up to 0.14d [B.Warner, MN 159, N3, 315, 1972. ]. When the star is most active, periodic light oscillations appear with P = 105 seconds and amplitude 0.05m - 0.10m V [H.B.Richer, J.R.Auman, B.C. Iscerwood, J.P.Steele, T.J. Ulrych, ApJ 180, 107, 1973. ].
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1
Henden, A. A.; et al., 2018, AAVSO Photometric All Sky Survey (APASS) DR10
2018AAS...23222306H
2
Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
2018A&A...616A...1G
3
Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
2017PASP..129j4502K
4
Light curve from CRTS/CSS (Drake et al. 2009, ApJ, 696, 870)
2009ApJ...696..870D
5
R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version)
2005JAD....11....2D
6
R.A. Downes et al., 2001, PASP 113, 764
2001PASP..113..764D
7
R.E.Nather, E.L.Robinson, R.J. Stover, ApJ 244, 269, 1981.
1981ApJ...244..269N
8
Catalogue of Stellar Spectral Classifications (Skiff, 2005)
1975ApJ...202..191W
9
H.L.Giclas, R.Burnham, N.G.Thomas, Lowell Bull N112, 5, 61, 1961.
1961LowOB...5...61G
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service . These data may not be complete.
2MASS
J = 15.72 H = 15.62 K = 15.14 J - K = 0.58
Images
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