16387+4856 STF2082 (42 Her)

 
 
16h 38m 44.89s +48 55' 41.8" P.A. 93 sep 27.2 mag 4.90,11.80 Sp M3III dist. 127.06 pc (414.47 l.y.)
 
 
Coord 2000
16387+4856
Discov num
STF2082
Comp
Coord arcsec 2000
16 38 44.89 +48 55 41.8
Date first
1782
Date last
2010
Obs
27
Pa first
94
Pa last
93
P.A. Now (θ)
93°
Sep first
21.5
Sep last
27.2
Sep. Now (ρ)
27.2"
Mag pri
4.90
Mag sec
11.80
delta mag (ΔM)
6.9
Spectral class
M3III (red)
Pri motion ra
-047
Sec motion ra
-014
Pri motion dec
+027
Sec motion dec
+025
Notes
N (See Notes)
rPM=0.61
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
92.5
Precise sep
27.21
Name
42 Her
Constellation
Hercules
SAO
46210
HIP
81497
Tycho2
3502-02258-1
Gaia DR2
83679693440
HD
150450
HR
6200
GC
22412
BD
BD+49 2531
Flamsteed
42 Herculis
Flamsteed name
42 Her
Distance
127.06
Distance ly
414.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16387+4856 STF2082 1996 24 92 27.2 4.90 11.80 M3III N D 163844.89+485541.8
16387+4856 STF2082 2010 26 93 27.2 4.90 11.80 M3III N D 163844.89+485541.8

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