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Name
alf Her
AAVSO UID
Constellation
J2000.0
B1950.0
17 12 21.99 +14 26 45.3
Proper motion
Galactic coord.
35.534 +27.818
Other names(Internal only)
64 Her
1RXS J171439.3+142320
AAVSO 1710+14
ADS 10418 A
BD+14 3207
DO 15854
HD 156014
HIP 84345
HR 6406
HR 6407
IRC +10324
RAFGL 1947
SAO 102680
alp1 Her
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Variability type
SRB
Spectral type
M3-M5Ib/III
Mag. range
2.73 - 3.60 V
Discoverer
William Herschel (1795)
Epoch
Outburst
--
Period
125.6 d
Rise/eclipse dur.
--
Remarks
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1
Otero, Sebastian Alberto
Other period is 93.48 d.
2
GCVS Team
ADS 10418 A (B 5.39m, 4.9", 107deg, 1973; B - SB2, G5III + F2V). Slow variations, P ~6yr, Delta(m) ~0.5m; quicker changes, P ~ 50d - 155d, Delta(m) ~ 0.3m - 1.0m. Together with the visual companion the star is surrounded by an enormous envelope (R ~2*10**5R$, expansion velocity 10 km/s, mass loss 3*10**(-8)M$/yr).
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References
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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 = -2.30 H = -3.22 K = -3.51 J - K = 1.21
AllWISE
W4 = -3.72
Images
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Supporting Documents
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Campaigns/Programs
Legacy LPV Program
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Revision History
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