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Name
  X Nor  
AAVSO UID
000-BCW-470 (40 observations)  
Constellation
Norma Sequence
J2000.0
16 25 25.82 -51 55 36.7  (246.35758 -51.92686) Search nearby
B1950.0 16 21 34.40 -51 48 47.2
Proper motion
RA: 1.750 +/- 1.761 mas/yDec: 2.955 +/- 1.551 mas/ySource: Gaia DR1
Galactic coord. 332.665 -1.862
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J16252580-5155366 AAVSO 1617-51 AN 16.1901
ASAS J162526-5155.6 ASASSN-V J162525.77-515536.5 C* 2328
CD-51 10147 CGCS 3691 GDS_J1625258-515536
GDS_J1625283-515531 GSC 08324-02937 HD 147603
HV 159 IRAS 16215-5148 LF 15 -51 38
TIC 4471653 TYC 8324-2937-1 USNO-B1.0 0380-00645549
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Variability type
SRA
Spectral type C6,4
Mag. range
9.3 - 10.6 V
Discoverer Williamina Fleming (1901)
Epoch
26 Mar 2003 (HJD 2452725) Ephemeris
Outburst --
Period 521 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Double maxima but sometimes similar amplitude so the formal period might be 260 d.
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References
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1 M. Hackstein, Ch. Fein, M. Haas et al., 2015, AN 336, 590 2015AN....336..590H
2 F.D. Mina, 2013, IBVS 6062 2013IBVS.6062....1M
3 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 2003PASP..115..351M
4 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 2003PASP..115..351M
5 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
6 Buscombe, W., 1998, 13th General Catalogue of MK Spectral Classification 1998yCat.3206....0B
7 F.Bateson, M.Morel, R.Winnett, Charts for Southern Variables, ser. 9, 1977. --
8 C.Hoffmeister, KVBB N27, 1943. 1941KVeBB...7....3H
9 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
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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 = 4.85H = 3.47K = 2.94J - K = 1.91
AllWISE W3 = 1.81W4 = 1.17W3 - W4 = 0.65
APASS-DR9 B = 12.61V = 10.07g' = 10.88r' = 8.73B - V = 2.53
Images
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Supporting Documents
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Revision History
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5 Fernig, Leo 2022-04-22 13:33 UTC Discoverer updated from 1907AnHar..55....1C page 19
4 Otero, Sebastian Alberto 2020-04-18 07:38 UTC Type, period, epoch and range from ASAS-3 data. Spectral type from 1998yCat.3206....0B. Gaia DR2 position.
3 Admin, VSX 2013-07-10 00:51 UTC Update from [2013IBVS.6062....1M].
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.