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Name
  LS V +44 17  
AAVSO UID
000-BCZ-082 (69338 observations)  
Constellation
Perseus Sequence
J2000.0
04 40 59.32 +44 31 49.3  (70.24717 +44.53036) Search nearby
B1950.0 04 37 24.03 +44 26 03.3
Proper motion
RA: -3.1 +/- 0.6 mas/yDec: -2.7 +/- 0.8 mas/ySource: UCAC4
Galactic coord. 159.847 -1.270
Other names

(Internal only)
AAVSO 0434+41 AAVSO_ALIAS RXJ0440.9+ AAVSO_DES 0434+41
BSD 24- 491 BSD 24-491 EM* VES 826
IOMC 2905000024 LPH 034 LPH034
RX J0440.9+4431 TYC 2905-121-1 VSX J044059.3+443149
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Variability type
HMXB/XP+GCAS
Spectral type B0.2Ve
Mag. range
10.53 - 10.85 V
Discoverer --
Epoch
--
Outburst --
Period 155 d
Rise/eclipse dur. --
Remarks
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1 2012arXiv1201.0616T Orbital period of 155 days based on type I outbursts.
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References
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1 Long-term optical/IR variability of the Be/X-ray binary LS V +44 17 / RX
J0440.9+4431
A&A 440, 1079-1086 (2005)
2 Yan, Jingzhi; et al., 2016, Long-term Optical Studies of the Be/X-ray
Binary RX J0440.9+4431/LS V+44 17
2016arXiv160207778Y
3 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
4 S. Tsygankov, R. Krivonos, A. Lutovinov, 2011, arXiv:1201.0616v1
[astro-ph.HE]
2012arXiv1201.0616T
5 G.E. Sarty, L.L. Kiss, H.M. Johnston, R. Huziak, K. Wu, 2007, JAAVSO 35,
327
2007JAVSO..35..327S
6 Catalogue of high-mass X-ray binaries in the Galaxy (4th edition) 2006A&A...455.1165L
7 Long-term optical/IR variability of the Be/X-ray binary LS V +44 17 / RX
J0440.9+4431
2005A&A...440.1079R
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 = 9.50H = 9.32K = 9.18J - K = 0.32
AllWISE W1 = 8.07W2 = 7.85W3 = 7.25W4 = 6.68W1 - W2 = 0.22W3 - W4 = 0.57
APASS-DR9 B = 11.44V = 10.74g' = 11.13r' = 10.56i' = 10.28B - V = 0.70
Images
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Supporting Documents
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Campaigns/Programs
 Photometry of HMXBs
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Billiaert, Bruno 2016-03-02 15:17 UTC Range and type from 2016arXiv160207778Y.
3 Admin, VSX 2012-01-05 04:07 UTC Update from [2012arXiv1201.0616T].
2 Otero, Sebastian Alberto 2011-05-25 06:03 UTC Primary record creation. Type from reference.
1 Huziak, Richard 2011-01-20 09:08 UTC Initial submission.