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Name
V0838 Mon
AAVSO UID
Constellation
J2000.0
B1950.0
07 01 35.52 -03 46 20.1
Proper motion
RA: -43.1 +/- 6.8 mas/y Dec: 16.2 +/- 6.3 mas/y Source: UCAC4
Galactic coord.
217.797 +1.052
Other names(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J07040482-0350506
AAVSO 0659-03
Downes V0838 Mon
GDS_J0704048-035050
GSC 04822-00039
VAR MON 02
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Variability type
V838MON
Spectral type
M6I/III:+B3V
Mag. range
6.7 - 16.2 V
Discoverer
Nicholas J. Brown
Epoch
Outburst
2002
Period
--
Rise/eclipse dur.
--
Remarks
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1
Otero, Sebastian Alberto
It evolved from spectral type F to a late M-type supergiant in the declining phase of the outburst. The B3V-type companion probably became engulfed in a dusty cloud of matter from the 2002 explosion.
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References
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1
Tylenda, R., et al., 2011, High-resolution optical spectroscopy of V838
2011A&A...532A.138T
2
R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version)
2005JAD....11....2D
3
IAU Circ No. 7785, 2002.
2002IAUC.7785....1B
4
R.A. Downes et al., 2001, PASP 113, 764
2001PASP..113..764D
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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 = 13.87 H = 13.51 K = 13.33 J - K = 0.54
AllWISE
W1 = 4.68 W2 = 3.71 W3 = -0.13 W4 = -1.71 W1 - W2 = 0.96 W3 - W4 = 1.58
Images
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Supporting Documents
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Revision History
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