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Details for Revision 3
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Name
DQ Her
AAVSO UID
000-BCB-341 (408141
observations
)
Constellation
Hercules
Sequence
J2000.0
18 07 30.26 +45 51 32.4 (271.87608 +45.85900)
Search nearby
B1950.0
18 06 05.35 +45 51 02.7
Galactic coord.
73.153 +26.444
Other names
(Internal only)
Please note that aliases shown in grey link to obsolete records.
1SWASP J180730.28+455131.9
2MASS J18073024+4551325
2RXP J180730.0+455136
AAVSO 1804+45
AN 452.1934
CDS 959
Downes DQ Her
GCRV 10587
Gaia DR2 2116226254706461568
Gaia DR3 2116226254706461568
Nova Her 1934
PLX 4164
SBC7 665
SBC9 1029
TIC 332624864
UCAC3 120981849
UCAC4 680-061811
WEB 15046
WISE J180730.26+455132.6
WISEA J180730.25+455132.5
X 18061+458
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Variability type
NB+EA
Spectral type
pec(NOVA)
Mag. range
1.3 - 18.08 V
Discoverer
J. P. M. Prentice
Epoch
31 Jul 1954 (HJD 2434954.9431)
Ephemeris
Outburst
1934
Period
0.1936209219 d (4.64690213 h)
Rise/eclipse dur.
--
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1
GCVS Team
VB A (B 18.17m, F, 3.5", 132deg, optical?). Nebula, R = 10.5" (Halpha, 1981). After the main Max of the Nova a deep Min 13.0m (JD2426925) and a flat secondary Max 6.7m (JD2427065) were observed. Eclipsing variability: 14.61m - 18.08m, Min HeI = 2434954.9445 + 0.193620877d*E [
J.E.Pringle, MN 170, 633, 1975.
]. D = 0.20P, d = 0.000P. The light curve shape and Delta(M) var. Oscillations: Max HeI = JED2434954.785868 + 8.22521640d*10**(-4)*E - 2.8048d*10**(-16)*E**2 [
J.Patterson, E.L.Robinson, R.E. Nather, ApJ 224, 570, 1978.
], 0 <= Delta(m) <= 0.08m. Polarization changes with double oscilation period. Flickering: Delta(m) = 0.15m.
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References
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1
Poyner, G., 2024, CV & E News
--
2
Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties
2018A&A...616A...1G
3
Light curve from CRTS/CSS (Drake et al. 2009, ApJ, 696, 870)
2009ApJ...696..870D
4
Z.B. Dai, S.B. Qian, 2009, A&A 503, 883
2009A&A...503..883D
5
Z.B. Dai, S.B. Qian, 2009, A&A 503, 883
2009A&A...503..883D
6
R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version)
2005JAD....11....2D
7
R.A. Downes et al., 2001, PASP 113, 764
2001PASP..113..764D
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
6
Otero, Sebastian Alberto
2024-12-02 15:33 UTC
Period from BAA-VSS Circular #202. Minimum magnitude from AAVSO data.
5
Otero, Sebastian Alberto
2020-05-15 00:34 UTC
Gaia DR2 position.
4
Otero, Sebastian Alberto
2011-04-29 03:46 UTC
Type from Downes (2001). Spectral type from Skiff (2010)
3
Admin, VSX
2009-09-09 02:10 UTC
Update from [
2009A&A...503..883D
].
2
Admin, VSX
2007-03-23 19:52 UTC
Discoverer added.
1
Admin, VSX
2005-12-18 01:33 UTC
Initial database population.
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