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Latest Details
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Name
  ASASSN-15pg  
AAVSO UID
000-BLS-044 (131 observations)  
Constellation
Cepheus Sequence
J2000.0
21 18 01.96 +57 21 34.4  (319.50815 +57.35956) Search nearby
B1950.0 21 16 35.94 +57 08 53.9
Proper motion
RA: -0.1 +/- 2.9 mas/yDec: 7.0 +/- 3.0 mas/ySource: UCAC4
Galactic coord. 97.159 +5.592
Other names

(Internal only)
2MASS J21180196+5721343 ASASSN-V J211801.96+572133.8 GGR 14
GSC 03961-00984 HBHA 5703-11 UCAC4 737-073836
USNO-A2.0 1425-11718260 ZTF J211801.94+572134.4 [KW97] 57-11
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Variability type
ZAND
Spectral type e
Mag. range
13.2 - <17.8: V
Discoverer ASAS-SN
Epoch
22 Jul 2018 (HJD 2458322.0456) Ephemeris
Outburst --
Period 256.2190142 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 2020arXiv200508662C Epoch of minimum given. g-band period= 276.8827426 d.
2 Otero, Sebastian Alberto V= 13.23 and B-V= 1.01 on Sept. 16.05, 2015 (much bluer than APASS B-V= 2.1 when at V ~14.2).
3 Otero, Sebastian Alberto J= 9.21; J-K= 1.55; B-V= 2.1. APASS V= 14.0-14.5; UCAC3-derived V= 14.4. The <17.8 Vmag. in ASAS-SN might be spurious.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
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 H. Itoh; L. Cook; C. Littlefield; T. Kato, 2015, vsnet-alert #19057 --
4 ASAS-SN Transients (Shappee et al., 2014) 2014ApJ...788...48S
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 = 9.21H = 8.08K = 7.66J - K = 1.55
AllWISE W1 = 7.35W2 = 7.49W3 = 7.15W4 = 6.66W1 - W2 = -0.14W3 - W4 = 0.49
APASS-DR9 B = 16.45V = 14.32g' = 15.43r' = 13.31i' = 11.96B - V = 2.13
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 21 18 01.96 +57 21 34.4 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2021-10-26 08:56 UTC Update from 2020arXiv200508662C. Gaia EDR3 position.
3 Otero, Sebastian Alberto 2015-09-17 22:47 UTC Maximum magnitude from S. O'Connor observation reported to the AAVSO.
2 Otero, Sebastian Alberto 2015-09-14 19:08 UTC Type from vsnet-alert 19057
1 Otero, Sebastian Alberto 2015-09-09 05:41 UTC Initial submission.

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