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Latest Details
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| Name |
NSV 20870 |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
16 55 27.31 -40 10 02.1 |
| Proper motion |
| RA: -2.7 +/- 2.3 mas/y | Dec: -1.7 +/- 2.4 mas/y | Source: UCAC4 |
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| Galactic coord. |
345.261 +1.473 |
Other names
(Internal only)
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2MASS J16585538-4014333 |
ALS 3873 |
ASAS J165855-4014.6 |
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CD-40 11035 |
CPD-40 7677 |
Cl Trumpler 24 430 |
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GSC 07872-01262 |
HD 322417 |
LS 3873 |
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TYC 7872-1262-1 |
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| Variability type |
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VAR |
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| Spectral type |
O6.5IV((f)) |
| Mag. range |
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10.08 - 10.12 V |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
-- |
| Rise/eclipse dur. |
-- |
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Remarks
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Some references may be clicked to view in new window. Roll over index number to view submission details.
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1 |
Otero, Sebastian Alberto
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Long-term mean magnitude brightening in ASAS-3 data. Spectroscopic companion with P= 223 d. Five faint companions with separations from 0.7" to 6.6" (2014ApJS..215...15S). |
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2 |
GCVS Team |
Var according to large scatter from different sources of photometry. |
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(Not logged in) Add remark
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References
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Click reference title/citation to view in new window. Roll over index number to view submission details.
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1 |
Sana, H.; et al., 2014, Southern Massive Stars at High Angular Resolution:
Observational Campaign and Companion Detection |
2014ApJS..215...15S |
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2 |
Sota, A.; et al., 2014, The Galactic O-Star Spectroscopic Survey (GOSSS).
II. Bright Southern Stars |
2014ApJS..211...10S |
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3 |
Pojmanski, G., 2002, The All Sky Automated Survey |
2002AcA....52..397P |
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4 |
Ch.L.Perry, G.Hill, D.M.Christodoulou, AsAp Suppl 90, No.2, 195, 1991. |
1991A&AS...90..195P |
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5 |
A.J.Cannon, M.W.Mayall, HA Vol.112, 1949. |
1949AnHar.112....1C |
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External Links
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Location
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Catalog Data
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Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
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2MASS
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J = 7.70 | H = 7.37 | K = 7.16 | J - K = 0.54 |
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AllWISE
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W1 = 6.92 | W2 = 7.02 | W3 = 7.54 | W1 - W2 = -0.10 |
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APASS-DR9
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B = 10.91 | V = 10.16 | g' = 10.53 | r' = 9.68 | i' = 9.20 | B - V = 0.75 |
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Images
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Supporting Documents
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Revision History
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