08404+1940 BOV 42 Ba,Bb
08h 40m 23.31s +19° 40' 23.5" P.A. 25.00 sep 1.8 mag 9.50,15.10 Sp F2
Coord 2000
08404+1940
Discov num
BOV 42
Comp
Ba,Bb
Coord arcsec 2000
08 40 23.31 +19 40 23.5
Date first
1997
Date last
1997
Obs
1
Pa first
25
Pa last
24.8
P.A. Now (θ)
24.8°
Sep first
1.8
Sep last
1.798
Sep. Now (ρ)
1.798"
Mag pri
9.50
Mag sec
15.10
delta mag (ΔM)
5.6
Spectral class
F2 (yellow-white)
Pri motion ra
-036
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
N
K
(See Notes, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
08404+1940 SYSTEM COMPONENTS
Show
name
SAO
coord
wds_name
last
obs
pa
sep
mag1
mag2
d_mag
orb
current
Show
HD 73710
98021
08 40 22 +19 40 12
STF 1254 AB
2017
46
55
20.8
6.44
10.37
3.93
Show
98021
08 40 22 +19 40 12
STF 1254 AC
2018
44
343
62.5
6.52
7.61
1.09
Show
98021
08 40 22 +19 40 12
STF 1254 AD
2017
38
44
83.5
6.52
9.20
2.68
Show
98021
08 40 22 +19 40 12
SMR 30 AE
2018
7
156
15.9
6.52
12.50
5.98
Show
08 40 23 +19 40 24
BOV 42 Ba,Bb
1997
1
25
1.8
9.50
15.10
5.60
<===
Show
98020
08 40 21 +19 41 12
S 572 CD
2016
35
91
72.6
7.61
9.20
1.59
Sextuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation
Cancer
Gaia DR2
661297115295806592
WDS 08404+1940 BOV 42 Ba,Bb : NOTES
discov_num
notes
refcode
STF1254
Algol-type eclipsing binary, per 7.2209 d.
Zas2011
Physical with BD+20@2158. A is a spectroscopic binary.
BOV 42
Ba. Praesepe KW 287 = NGC 2632 BDA 287
SB1, P = 7635 d
Bov2001
REFERENCES
refcode
metd
author
reference
Bov2001
A -
Bouvier, J., Duchene, G., Mermilliod, J.-C., & Simon, T.
2001A&A...375..989B
Bov2001
A&A 375, 989, 2001
Zas2011
-
Zasche, P.
...................
Zas2011
private communication, 2011
DISCOVERER
idgroup
discov
author
1
S
South, J.
16
SMR
Schlimmer, J.
71
STF
Struve, F.G.W.
WDS HISTORIC DATA
coord_2000
discov_num
comp
epoch
obs
pa
sep
mag_pri
mag_sec
spectr
notes
coord_arcsec_2000
08404+1940
BOV 42
Ba,Bb
1997
1
25
1.8
10.37
F2
N
084023.31+194023.5
If you need more information about this double, apply for a
data request form to the WDS.
WDS 08404+1940 BOV 42 Ba,Bb : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 08404+1940 BOV 42 Ba,Bb : MEASURES
No records found.
WDS 08404+1940 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
WDS 08404+1940 : ALADIN DSS IMAGE @ 08h 40m 23.31s +19° 40' 23.5"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS
WDS 08404+1940 BOV 42 Ba,Bb : NEIGHBORHOODS
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show
name
coord_2000
discov#
comp
pa
sep
dist(')
Show
08404+1940
BOV 42
Ba,Bb
25
1.8
Show
08404+1940
STF1254
AB
55
20.8
1
Show
08404+1940
STF1254
AC
343
62.5
1
Show
08404+1940
STF1254
AD
44
83.5
1
Show
08404+1940
SMR 30
AE
156
15.9
1
Show
08404+1940
S 572
CD
91
72.6
2
Show
08401+1944
PAT 45
208
0.9
6
Show
08408+1940
BOV 47
45
0.1
6
Show
08403+1947
BOV 41
69
0.1
7
Show
Meleph
08405+1933
S 574
AB
250
134.0
8
Show
Meleph
08405+1933
CIA 28
Aa,Ab
171
0.0
8
Show
08399+1933
BU 584
AB
290
0.9
10
Show
08399+1933
S 571
AD
242
92.1
10
Show
08399+1933
S 571
AG
158
45.7
10
Show
08399+1933
GII 164
Aa,Ab
101
0.2
10
Show
08397+1939
HZG 6
55
2.8
10
Show
08399+1933
CHR 156
Da,Db
241
0.6
12
Show
08399+1933
BKO 34
DE
3
35.4
12
Show
08399+1933
BU 584
DC
89
99.6
12
Show
08396+1926
BOV 39
352
1.1
18
Show
08401+2000
CHR 28
Ba,Bb
134
0.4
19
Show
08401+2000
BUP 120
BR
147
140.3
19
Show
08391+1941
S 570
AB
84
57.3
19
Show
08391+1941
S 570
AC
345
178.6
19
Show
08403+1921
CHR 130
160
0.1
20
Show
08401+2000
ENG 37
AB
150
151.8
21
Show
08401+2000
ENG 37
AC
309
134.0
21
Show
08401+2000
ENG 37
AD
111
134.9
21
Show
08401+2000
SLE 685
AR
150
290.3
21
Show
08401+2000
SLE 335
AS
325
261.7
21
Show
08401+2000
PAT 44
Ca,Cb
22
0.3
23
Show
08401+2000
SLE 335
CS
340
137.1
23
Show
08418+1952
OCC 638
Fa,Fb
-1
0.0
24
Show
08404+2006
PAT 46
CJ
153
0.4
27
Show
08397+2005
COU 47
140
0.6
27
Show
08391+2000
OCC 637
-1
0.0
28
Show
08404+1913
BOV 43
205
0.5
28
Show
08422+1950
SLW 280
160
75.7
28
Show
08413+1916
KU 32
165
2.2
28
Show
08404+1911
BOV 44
192
2.5
30
Show
08400+2009
ARN 105
AB
153
91.2
30
Show
08403+2012
BOV 40
289
0.3
32
Show
08419+1915
SLE 337
348
22.8
33
Show
08425+1924
BOV 50
306
2.9
35
Show
08423+2002
COU 382
348
0.3
36
Show
08382+1922
BOV 35
27
0.2
36
Show
08419+2010
SLE 336
AB
329
31.6
37
Show
08393+2013
BOV 38
18
0.3
37
Show
08381+1959
BOV 34
74
0.2
38
Show
08411+1904
BOV 48
123
0.4
38
Show
08384+2006
BOV 36
97
1.0
39
WDS 08404+1940 : COMPONENTS
A
B
Bb
C
D
B
pa=55.6°
sep=20.54"
Bb
pa=53.2°
sep=22.07"
pa=23.5°
sep=1.78"
C
pa=342.3°
sep=63.29"
pa=323.4°
sep=60.65"
pa=321.9°
sep=59.79"
D
pa=42.6°
sep=81.16"
pa=38.2°
sep=61.32"
pa=38.7°
sep=59.60"
pa=90.4°
sep=74.12"
E
pa=156.9°
sep=15.72"
pa=202.5°
sep=28.19"
pa=202.5°
sep=29.97"
pa=161.2°
sep=78.94"
pa=213.3°
sep=88.79"
08404+1940 A
Name
HD 73710
Coord arcsec 2000
084022.11+194011.9
Mag
6.44
Spectral class
K0III (yellow-orange)
PmRA
-36.00
PmDE
-13.0
SAO
98021
HIP
42549
Tycho2
1395-02963-1
HD
73710
HR
3428
GC
11899
BD
BD+20 2166
Tycho2
1395-02963-1
Pflag
RAmdeg
130.09203008
DEmdeg
19.66993913
PmRA
-35.3
PmDE
-13.5
E RAmdeg
4
E DEmdeg
5
E pmRA
0.8
E pmDE
0.8
EpRAm
1991.41
EpDEm
1990.79
Num
18
Q RAmdeg
0.5
Q DEmdeg
0.8
Q pmRA
0.6
Q pmDE
0.9
BTmag
7.696
E BTmag
0.016
VTmag
6.523
E VTmag
0.010
Prox
633
TYC
T
HIP
42549
CCDM
RAdeg
130.09211528
DEdeg
19.66997139
EpRA 1990
1.81
EpDE 1990
1.41
E RAdeg
3.9
E DEdeg
4.8
Posflg
Corr
0.3
SAO
98021
DelFlag
RA1950
PmRA1950
-0.0024
DE1950
PmDE1950
-0.021
Vmag
6.4
SpType
G5
Double code
Source
70
CatNum
11899
DM
BD+20 2166
DMcomp
BDsup
HD
73710
M HD
0
GC
11899
RA1950rad
2.25802095
DE1950rad
0.34641346
PmRA2000
-0.0025
PmDE2000
-0.017
Catalog
H
HIP
42549
Proxy
RAhms
08 40 22.11
DEdms
+19 40 11.9
Vmag
6.42
VarFlag
R Vmag
H
RAdeg
130.092
DEdeg
19.67
AstroRef
Plx
4.31
CCDM
08404+1941
N CCDM
I
Nsys
1
Ncomp
1
MultFlag
Source
Qual
S
M HIP
Theta
Rho
HD
73710
BD
BD+20 2166
CD
CP
Dm number
+20 2166
VIred
0.99
SpType
K0III
R SpType
Coord arcsec 2000
084022.11+194011.9
HIP
42549
Sn
5
So
0
Nc
1
RArad
2.2705358349
DErad
0.3433057482
Plx
4.58
PmRA
-36.04
PmDE
-12.9
E RArad
0.53
E DErad
0.31
E Plx
0.57
E pmRA
0.58
E pmDE
0.45
Hpmag
6.5891
E Hpmag
0.0011
SHp
0.008
VA
0
BV
1.02
E BV
0
VI
0.99
08404+1940 B
Coord arcsec 2000
084023.31+194023.5
Coord calc
084023.24+194023.9
Mag
9.5
Mag composta
10.37
Spectral class
F2 (yellow-white)
PmRA
-36.00
PmDE
-14.0
Calc delta mag
3.06
08404+1940 Bb
Coord arcsec 2000
084023.36+194025.1
Mag
15.1
Calc delta mag
8.66
Calc coord
yes
08404+1940 C
Coord arcsec 2000
084020.75+194112.2
Coord calc
084020.75+194112.2
Mag
7.61
Spectral class
F2III (yellow-white)
PmRA
-38.00
PmDE
-13.0
SAO
98020
Tycho2
1395-02006-1
HD
73709
DM
BD+20 2165
Calc delta mag
1.17
Tycho2
1395-02006-1
Pflag
RAmdeg
130.08644850
DEmdeg
19.68673524
PmRA
-36.9
PmDE
-11.9
E RAmdeg
5
E DEmdeg
6
E pmRA
1.1
E pmDE
1.0
EpRAm
1991.36
EpDEm
1990.68
Num
11
Q RAmdeg
1.4
Q DEmdeg
1.5
Q pmRA
1.5
Q pmDE
1.6
BTmag
7.875
E BTmag
0.016
VTmag
7.609
E VTmag
0.012
Prox
633
TYC
T
HIP
CCDM
RAdeg
130.08653722
DEdeg
19.68676389
EpRA 1990
1.80
EpDE 1990
1.34
E RAdeg
5.0
E DEdeg
6.1
Posflg
Corr
0.2
SAO
98020
DelFlag
RA1950
PmRA1950
-0.0023
DE1950
PmDE1950
-0.026
Vmag
8.3
SpType
A0
Double code
Source
35
CatNum
3489
DM
BD+20 2165
DMcomp
BDsup
HD
73709
M HD
0
GC
RA1950rad
2.25792271
DE1950rad
0.34670424
PmRA2000
-0.0024
PmDE2000
-0.022
08404+1940 D
Coord arcsec 2000
084026.00+194111.7
Mag
9.2
PmRA
-38.00
PmDE
-12.0
Tycho2
1395-01999-1
Calc delta mag
2.76
Calc coord
yes
Tycho2
1395-01999-1
Pflag
RAmdeg
130.10889823
DEmdeg
19.68648817
PmRA
-36.7
PmDE
-12.2
E RAmdeg
13
E DEmdeg
15
E pmRA
1.0
E pmDE
0.9
EpRAm
1988.26
EpDEm
1987.07
Num
9
Q RAmdeg
1.8
Q DEmdeg
2.1
Q pmRA
1.8
Q pmDE
2.2
BTmag
9.680
E BTmag
0.027
VTmag
9.199
E VTmag
0.023
Prox
761
TYC
T
HIP
CCDM
RAdeg
130.10898361
DEdeg
19.68652250
EpRA 1990
1.76
EpDE 1990
1.45
E RAdeg
14.0
E DEdeg
15.8
Posflg
Corr
0.3
08404+1940 E
Coord arcsec 2000
084022.55+193957.4
Mag
12.5
PmRA
-37.00
PmDE
-12.0
Calc delta mag
6.06
Calc coord
yes