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Latest Details
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Name
  V0723 Mon  
AAVSO UID
000-BCW-424 (2717 observations)  
Constellation
Monoceros Sequence
J2000.0
06 29 04.66 -05 34 20.2  (97.26942 -5.57228) Search nearby
B1950.0 06 26 37.39 -05 32 19.5
Proper motion
RA: -1.447 +/- 0.050 mas/yDec: 16.277 +/- 0.036 mas/ySource: Gaia DR1
Galactic coord. 215.372 -7.502
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 0624-05 ASAS J062905-0534.3 ASASSN-V J062904.54-053420.6
BD-05 1649 GSC 04793-00654 HD 45762
HIP 30891 SAO 133321 TYC 4793-654-1
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Variability type
ELL
Spectral type K0/1III+BH:
Mag. range
8.21 - 8.42 V
Discoverer --
Epoch
17 Mar 2006 (HJD 2453812.0000) Ephemeris
Outburst --
Period 59.9398 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Likely black hole companion.
2 Otero, Sebastian Alberto Min II= 8.36.
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References
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1 Jayasinghe, T.; Stanek, K. Z.; Thompson, T. A.; et al., 2021, A Unicorn in
Monoceros: the 3M⊙ dark companion to the bright, nearby red giant
V723 Mon is a non-interacting, mass-gap black hole candidate
2021arXiv210102212J
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 European Space Agency, 1997, The Hipparcos and Tycho Catalogues, ESA
SP-1200
1997yCat.1239....0E
External Links
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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 = 6.26H = 5.58K = 5.36J - K = 0.89
AllWISE W1 = 5.28W2 = 5.10W3 = 5.01W4 = 4.82W1 - W2 = 0.19W3 - W4 = 0.18
APASS-DR9
Images
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Supporting Documents
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Revision History
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5 Otero, Sebastian Alberto 2021-01-12 04:27 UTC Type, period and spectral type from 2021arXiv210102212J.
4 Otero, Sebastian Alberto 2011-06-24 23:38 UTC Primary record creation. Type, period, epoch and range from ASAS-3 data.
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 19:52 UTC Added period, epoch and spectral type from [1997yCat.1239....0E].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.