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Name
BL Her
AAVSO UID
Constellation
J2000.0
B1950.0
17 58 58.84 +19 14 57.0
Proper motion
RA: -4.080 +/- 0.107 mas/y Dec: -11.864 +/- 0.121 mas/y Source: Gaia DR1
Galactic coord.
45.161 +19.463
Other names(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1756+19
AN 84.1929
ASAS J180109+1915.0
ASASSN-V J180109.19+191456.1
HD 347827
HIP 88242
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Variability type
CWB
Spectral type
F0-F6II-III
Mag. range
9.70 - 10.62 V
Discoverer
--
Epoch
Outburst
--
Period
1.307445 d
Rise/eclipse dur.
24% (7.53 h)
Remarks
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1
GCVS Team
P var. P = 1.3074604d (JD2415000 - 35000); since JD2435000 - see Table. Another possible representation: Max = 2434999.402 + 1.307457d*E - 3.9d*10**(-10)*E**2 (JD2415000 - 42000). [Fe/H] = 0.0.
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References
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External Links
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Location
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AAVSO Variable Star Plotter
AAVSO Light Curve
AAVSO WebObs
APASS
AAVSOnet EPD
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Hipparcos Epoch Photometry Plot
ASAS Light Curve
NSVS
CRTS
ZTF
Pan-STARRS1 Data
Pan-STARRS1 Images
SkyMorph
Kamogata Wide-field Survey (KWS)
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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 = 9.38 H = 9.18 K = 9.12 J - K = 0.27
AllWISE
W1 = 8.85 W2 = 8.87 W3 = 8.80 W4 = 8.77 W1 - W2 = -0.02 W3 - W4 = 0.03
APASS-DR9
B = 10.97 V = 10.48 g' = 10.61 r' = 10.32 i' = 10.13 B - V = 0.49
Images
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Supporting Documents
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Revision History
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