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Name
V4728 Sgr
AAVSO UID
000-BFJ-982 (No observations)
Constellation
J2000.0
B1950.0
18 38 28.28 -27 59 55.3
Proper motion
RA: 1.425 +/- 0.868 mas/y Dec: -3.955 +/- 0.931 mas/y Source: Gaia DR1
Galactic coord.
6.725 -10.372
Other names(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J18413696-2757012
ASAS J184137-2757.0
ASASSN-V J184137.00-275659.5
CD-28 14878
CPD-28 6640
GSC 06866-00928
HD 172481
IRAS 18384-2800
PPM 268756
SAO 187137
SS 405
TYC 6866-928-1
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Variability type
M+SRD
Spectral type
F2Ia+MIII
Mag. range
8.90 - 9.41 V
Discoverer
--
Epoch
Outburst
--
Period
307 d
Rise/eclipse dur.
--
Remarks
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1
Otero, Sebastian Alberto
The elements in the table are for the Mira-type pulsations from the M giant. The amplitude in V is reduced by the light of the Lithium-rich post-AGB F-type supergiant which also pulsates with periods of 119.7 and 153.2 d. J-K= 1.13.
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References
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1
G.Pojmanski, Acta Astronomica 52, 397, 2002.
2002AcA....52..397P
2
Whitelock, P.; Marang, F., 2001, An extremely slow nova?
2001MNRAS.323L..13W
3
Reyniers, M., van Winckel, H., 2001, The Very Lithium Rich Post-AGB SB2
2001ASSL..265..283R
4
D.J. Pooley, M.D. Albrow, K.R. Pollard, P.L. Cottrell, Southern Stars 38,
1999SouSt..38..105P
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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 = 6.58 H = 5.88 K = 5.45 J - K = 1.13
AllWISE
W1 = 5.44 W2 = 4.76 W3 = 2.33 W4 = 0.57 W1 - W2 = 0.68 W3 - W4 = 1.76
APASS-DR9
Images
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Supporting Documents
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Revision History
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