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
Cdsa2 id
STF 2082
Constellation
Hercules
SAO
46210
HIP
81497
Tycho2
3502-02258-1
HD
150450
HR
6200
GC
22412
BD
BD+49 2531
Flamsteed
42 Herculis
Flamsteed name
42 Her
Ra deg
16.645802777777778
De deg
48.92827777777777
Distance
127.06
Distance ly
414.47
last precise pa
92.5
last precise sep
27.21
 
 
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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