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Latest Details
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Name
  FH Sct  
AAVSO UID
000-BCX-196 (1768 observations)  
Constellation
Scutum Sequence
J2000.0
18 45 14.85 -09 25 36.1  (281.31186 -9.42670) Search nearby
B1950.0 18 42 30.23 -09 28 46.2
Proper motion
RA: -8.0 +/- 9.0 mas/yDec: -12.9 +/- 9.3 mas/ySource: UCAC4
Galactic coord. 23.834 -2.922
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J18451484-0925360 AAVSO 1839-09 AN 767.1936
ASAS J184515-0925.5 ASASSN-V J184514.93-092535.9 ATO J281.3118-09.4267
GDS_J1845148-092536 Gaia20bbh HV 9520
IRAS 18425-0928 SMSS J184514.84-092536.1 UCAC2 28594195
UCAC4 403-090028 WISE J184514.84-092536.1 WISEA J184514.84-092536.2
ZTF J184514.84-092536.2 ZTF18abcoeng  
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Variability type
RCB
Spectral type C
Mag. range
11.9 - <19: V
Discoverer Willem Jacob Luyten
Epoch
15 Mar 2008 (HJD 2454541.0) Ephemeris
Outburst --
Period 55.5 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Elements for pulsations given.
2 GCVS Team In the region of the open cluster NGC 6694.
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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 Tisserand, P.; Clayton, G. C.; Bessell, M. S.; et al., 2020, A plethora of
new R Coronae Borealis stars discovered from a dedicated spectroscopic
follow-up survey
2020A&A...635A..14T
4 Gaia Alerts, 2020 (online data) --
5 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
6 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
7 14th General Catalogue of MK Spectral Classification (Buscombe, 1999) 2001yCat.3222....0B
8 G.A.Bakos, Leid Ann 20, N4, 1950. --
9 Luyten, W. J., 1937, Neue Veränderliche am Südhimmel 1937AN....261..451L
10 V.P.Zessewitsch, Astron. Tsirk. N1169, 1981. --
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 = 8.55K = 7.58J - K = 1.63
AllWISE W1 = 6.14W2 = 4.98W3 = 3.63W4 = 2.96W1 - W2 = 1.17W3 - W4 = 0.67
APASS-DR9 B = 13.90V = 12.25g' = 13.11r' = 11.64i' = 11.03B - V = 1.65
Images
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Supporting Documents
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Stellar Association Membership
 NGC 6694 Open Cluster 2012A&A...548A..97Z
Revision History
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6 Otero, Sebastian Alberto 2021-10-26 10:08 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
5 Otero, Sebastian Alberto 2020-06-10 02:47 UTC Reference to 2020A&A...635A..14T added. Gaia DR2 position.
4 Schmeer, Patrick 2020-02-29 01:26 UTC Gaia DR2 position. Maximum magnitude from ASAS-SN Sky Patrol data. Minimum magnitude derived from Gaia Alerts data. Discoverer added from 1937AN....261..451L.
3 Otero, Sebastian Alberto 2012-06-19 20:46 UTC Spectral type from Buscombe (1999). Period, epoch and maximum magnitude from ASAS-3 data. Minimum magnitude and position from UCAC3.
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.