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Latest Details
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Name
  BL Boo  
AAVSO UID
000-BDH-221 (2427 observations)  
Constellation
Boötes Sequence
J2000.0
14 05 40.46 +28 29 12.3  (211.41860 +28.48674) Search nearby
B1950.0 14 03 25.60 +28 43 30.1
Proper motion
RA: -4.3 +/- 3.1 mas/yDec: -0.2 +/- 3.8 mas/ySource: UCAC4
Galactic coord. 41.980 +73.544
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J14054048+2829123 ASASSN-V J140540.41+282912.2 BPS BS 16082-116
Cl* NGC 5466 Saw V19 GSC 02012-00214 LINEAR 10689246
NSV 6548 SVS 1295 ZTF J140540.45+282912.2
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Variability type
ACEPS
Spectral type kA2/3hA9/F0V
Mag. range
14.45 - 15.10 V
Discoverer --
Epoch
19 Jun 1996 (HJD 2450253.686) Ephemeris
Outburst --
Period 0.8213010 d  (19.71122 h)
Rise/eclipse dur. 48%  (9.461 h)
Remarks
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1 GCVS Team V 19 (NGC 5466). B - V: +0.12, +0.25. [Fe/H] = -1.35. "Anomalous cepheid". Radial velocity cluster member.
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References
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1 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
2 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars
2020arXiv200508662C
3 L. Palaversa, Z. Ivezic, L. Eyer et al., 2013, arXiv:1308.0357
[astro-ph.GA]
2013arXiv1308.0357P
4 BV Photometry of RR Lyrae Variables in the Globular Cluster NGC 5466 1999AJ....118.2875C
5 R.Zinn, C.C.Dahn, AJ 81, 527, 1976. 1976AJ.....81..527Z
6 N.E.Kurochkin, Perem. Zvezdy 13, N5, 331, 1961. 1961PZ.....13..331K
7 J.Cuffey, AJ 66, 71, 1961. 1961AJ.....66...71C
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 = 14.21H = 14.00K = 14.03J - K = 0.17
AllWISE W1 = 13.76W2 = 13.74W1 - W2 = 0.02
APASS-DR9 B = 15.13V = 14.93g' = 14.96r' = 14.94i' = 14.95B - V = 0.20
GALEX-DR5 FUV = 19.43NUV = 17.66FUV - NUV = 1.77
Images
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Supporting Documents
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Revision History
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5 Otero, Sebastian Alberto 2024-09-26 16:59 UTC Type corrected.
4 Otero, Sebastian Alberto 2021-10-26 06:15 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
3 Otero, Sebastian Alberto 2011-11-23 09:26 UTC Type, period, epoch, rise duration and range from 1999AJ....118.2875C. Spectral type from Skiff (2010). UCAC3 position.
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.