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Latest Details
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Name
  NSV 20520  
AAVSO UID
000-BNY-653 (529 observations)  
Constellation
Scorpius Sequence
J2000.0
16 08 54.68 -39 37 43.1  (242.22783 -39.62864) Search nearby
B1950.0 16 05 32.34 -39 29 48.5
Proper motion
RA: -9.7 +/- 3.2 mas/yDec: -21.3 +/- 3.2 mas/ySource: UCAC4
Galactic coord. 339.210 +8.948
Other names

(Internal only)
2MASS J16085468-3937431 ASASSN-V J160854.71-393743.0 Gaia DR2 5997006897751436544
HBC 622 Hen 3-1145 IRAS 16055-3929
SSTc2d J160854.7-393744 Sz 111 THA 15-33
TIC 457995946 WISEA J160854.67-393743.3 WRAY 15-1421
[KWS97] Lupus 3 49 [MJS2008] 71  
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Variability type
CTTS
Spectral type M0.5e
Mag. range
14.1 - 14.6 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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References
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1 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1. 0
2017PASP..129j4502K
2 Valenti, J. A.; Fallon, A. A.; Johns-Krull, C. M., 2003, An IUE Atlas of
Pre-Main-Sequence Stars. III. Co-added Final Archive Spectra from the
Long-Wavelength Cameras
2003ApJS..147..305V
3 J.Hughes, P.Hartigan, J.Krautter, J.Kelemen, AJ 108, No.3, 1071, 1994. 1994AJ....108.1071H
4 R.D.Schwartz, ApJ Suppl 35, No.2, 161, 1977. 1977ApJS...35..161S
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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 = 10.62H = 9.80K = 9.54J - K = 1.08
AllWISE W1 = 9.50W2 = 9.38W3 = 8.92W4 = 5.73W1 - W2 = 0.12W3 - W4 = 3.19
APASS-DR9 B = 15.57V = 14.26g' = 14.99r' = 13.59i' = 12.71B - V = 1.30
Images
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Supporting Documents
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Revision History
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2 Otero, Sebastian Alberto 2021-04-22 04:59 UTC Type from 2003ApJS..147..305V. Range from ASAS-SN data. Gaia EDR3 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.