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Doubles in session


Current system
20432-2049
CHR 222 AB
HD 197256


Nearby doubles
20' : 20438-2031
HJ 2990

24' : 20448-2054
BU 674AB

32' : 20421-2117
B 1894

36' : 20422-2122
ARA1584

39' : 20453-2024
HJ 2992

43' : 20460-2031
OCC9195

45' : 20415-2012
ARA1213

52' : 20439-1958
BRT1565

60' : 20462-2131
OCC9196

62' : 20458-2139
OCC 55

62' : 20399-2008
I 1426

68' : 20430-1942
ARA1214

68' : 20384-2100
RST9008

69' : 20455-2148
UC 4281

70' : 20462-2145
HDS2957

71' : 20465-2141
B 500

80' : 20434-1929
HLD 40AB

82' : 20489-2037
HJ 2998AB

82' : 20400-1940
AOT 92

82' : 20474-2145
OCC 56

85' : 20416-1928
RST3266

90' : 20434-2218
HJ 2989

91' : 20431-1919
AOT 94

94' : 20498-2036
ARA1218

100' : 20363-2113
ARA1583

102' : 20435-1907
HU 270AB



Selections
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Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20432-2049 CHR 222 AB (HD 197256)

 
 
20h 43m 10.88s -20° 48' 38.3" P.A. 123.00 sep 0.2 mag 9.00,9.60 Sp F7V
 
 
Coord 2000 20432-2049 Discov num CHR 222 Comp AB Coord arcsec 2000 20 43 10.88 -20 48 38.3
Date first 1996 Date last 2008 Obs 3
Pa first 326 Pa last 122.5 P.A. Now (θ) 122.5°
Sep first 0.1 Sep last 0.155 Sep. Now (ρ) 0.155"
Mag pri 9.00 Mag sec 9.60 delta mag (ΔM) 0.6 Spectral class F7V (yellow-white)
Pri motion ra -036 Sec motion ra
Pri motion dec -038 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20432-2049 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 197256 189609 20 43 11 -20 48 38 CHR 222 AB 2008 3 123 0.2 9.00 9.60 0.60 <===
Show 189609 20 43 11 -20 48 38 CVR 8 AB,C 2015 4 307 13.6 9.07 14.80 5.73
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 197256 Constellation Capricornus SAO 189609 Tycho2 6343-01660-1
Gaia DR2 6855603265750858496 HD 197256
 
 
WDS 20432-2049 CHR 222 AB (HD 197256) : NOTES
 
 
discov_num notes refcode
CHR 222 First detected as an occultation binary by Evans. Evn1971
 
 
REFERENCES
 
 
refcode metd author reference
Evn1971 O j Evans, D.S. 1971AJ.....76.1107E
Evn1971 AJ 76, 1107, 1971
 
 
DISCOVERER
 
 
idgroup discov author
1 CHR Center for High Ang. Res. Astronomy (speckle interferometry systems)
3 CVR Chivers, J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20432-2049 CHR 222 AB 2008 3 123 0.2 9.00 9.60 F7V N D 204310.88-204838.3

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 20432-2049 CHR 222 AB (HD 197256) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20432-2049 CHR 222 AB (HD 197256) : MEASURES
 
 
No records found.

 
 
WDS 20432-2049 (HD 197256) : VIRTUAL EYEPIECE
 
 

20432-2049 CHR 222A mag 9 Sp F7V 20432-2049 CHR 222B sep 0.1 P.A. 124.30 mag 9.6 20432-2049 CVR 8C sep 13.1 P.A. 308.60 mag 14.8 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20432-2049 (HD 197256) : ALADIN DSS IMAGE @ 20h 43m 10.88s -20° 48' 38.3"
 
 
 
 
WDS 20432-2049 CHR 222 AB (HD 197256) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20432-2049 CHR 222AB distance=0' 20438-2031 HJ 2990 distance=20' 20448-2054 BU 674AB distance=24' 20421-2117 B 1894 distance=32' 20422-2122 ARA1584 distance=36' 20453-2024 HJ 2992 distance=39' 20460-2031 OCC9195 distance=43' 20415-2012 ARA1213 distance=45' 20439-1958 BRT1565 distance=52' 20462-2131 OCC9196 distance=60' 20458-2139 OCC 55 distance=62' 20399-2008 I 1426 distance=62' 20430-1942 ARA1214 distance=68' 20384-2100 RST9008 distance=68' 20455-2148 UC 4281 distance=69' 20462-2145 HDS2957 distance=70' 20465-2141 B 500 distance=71' 20434-1929 HLD 40CD distance=80' 20434-1929 HLD 40AB distance=80' 20434-1929 HLD 40AC distance=80' 20434-1929 HLD 40AD distance=80' 20489-2037 HJ 2998AB distance=82' 20489-2037 BU 1494AC distance=82' 20400-1940 AOT 92 distance=82' 20474-2145 OCC 56 distance=82' 20416-1928 RST3266 distance=85' 20434-2218 HJ 2989 distance=90' 20431-1919 AOT 94 distance=91' 20498-2036 ARA1218 distance=94' 20363-2113 ARA1583 distance=100' 20435-1907 HU 270AB distance=102' 20435-1907 B 2890AC distance=102' 20435-1907 AOT 95AD distance=102' 20399-1918 AOT 91 distance=103' 20446-2230 TDT2512 distance=104' 20440-2233 ARA1933 distance=106' 20485-2205 DON 994 distance=106' 20361-2127 UC 4229 distance=107' 20493-1945 ALP 25 distance=108' 20358-2019 CVR1706 distance=109' 20354-2037 ARA1212 distance=110' 20408-1901 BAR 55 distance=113' 20429-1856 WOR 41 distance=113' 20395-2230 WIS 340 distance=114' 20429-1857 KUI 100AB distance=114' 20429-1857 KUI 100AC distance=114' 20429-1857 KUI 100AD distance=114' 20452-1857 ARA 803 distance=116' 20369-1934 AOT 87 distance=116' 20487-2216 UC 4296 distance=117' 20360-1948 AOT 85 distance=118' grafico limitrofi
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 20432-2049 CHR 222 AB 123 0.2
Show 20432-2049 CVR 8 AB,C 307 13.6
Show 20438-2031 HJ 2990 308 19.6 20
Show 20448-2054 BU 674 AB 99 2.0 24
Show 20421-2117 B 1894 207 0.4 32
Show 20422-2122 ARA1584 1 11.7 36
Show 20453-2024 HJ 2992 144 2.9 39
Show 20460-2031 OCC9195 -1 0.0 43
Show 20415-2012 ARA1213 245 1.3 45
Show 20439-1958 BRT1565 221 4.1 52
Show 20462-2131 OCC9196 -1 0.0 60
Show 20458-2139 OCC 55 -1 0.1 62
Show 20399-2008 I 1426 225 1.6 62
Show 20430-1942 ARA1214 38 3.7 68
Show 20384-2100 RST9008 102 0.1 68
Show 20455-2148 UC 4281 280 7.8 69
Show 20462-2145 HDS2957 236 0.4 70
Show 20465-2141 B 500 124 1.5 71
Show 20434-1929 HLD 40 CD 188 4.5 80
Show 20434-1929 HLD 40 AB 356 5.2 80
Show 20434-1929 HLD 40 AC 258 144.2 80
Show 20434-1929 HLD 40 AD 255 145.6 80
Show 20489-2037 HJ 2998 AB 140 6.0 82
Show 20489-2037 BU 1494 AC 135 92.5 82
Show 20400-1940 AOT 92 277 17.5 82
Show 20474-2145 OCC 56 -1 0.1 82
Show 20416-1928 RST3266 261 2.4 85
Show 20434-2218 HJ 2989 153 29.5 90
Show 20431-1919 AOT 94 140 10.9 91
Show 20498-2036 ARA1218 307 1.4 94
Show 20363-2113 ARA1583 309 5.8 100
Show 20435-1907 HU 270 AB 85 1.8 102
Show 20435-1907 B 2890 AC 32 4.8 102
Show 20435-1907 AOT 95 AD 127 38.7 102
Show 20399-1918 AOT 91 192 17.9 103
Show 20446-2230 TDT2512 57 2.1 104
Show 20440-2233 ARA1933 335 9.7 106
Show 20485-2205 DON 994 85 0.6 106
Show 20361-2127 UC 4229 313 14.3 107
Show 20493-1945 ALP 25 163 21.1 108
Show 20358-2019 CVR1706 300 4.2 109
Show 20354-2037 ARA1212 38 12.4 110
Show 20408-1901 BAR 55 273 4.1 113
Show 20429-1856 WOR 41 261 3.1 113
Show 20395-2230 WIS 340 327 104.3 114
Show 20429-1857 KUI 100 AB 323 81.4 114
Show 20429-1857 KUI 100 AC 318 74.6 114
Show 20429-1857 KUI 100 AD 305 70.3 114
Show 20452-1857 ARA 803 123 12.1 116
Show 20369-1934 AOT 87 133 24.9 116
Show 20487-2216 UC 4296 251 33.2 117

 
 
WDS 20432-2049 : COMPONENTS
 
 
  A B
B pa=124.3°
sep=0.15"
 
C pa=308.6°
sep=13.06"
pa=308.5°
sep=13.21"
 
 
20432-2049 A
 
 
Name HD 197256 Coord arcsec 2000 204310.88-204838.3 Mag 9 Spectral class F7V (yellow-white)
PmRA -36.00 PmDE -38.0 SAO 189609 Tycho2 6343-01660-1
HD 197256 DM BD-21 5805
Tycho2
Tycho2 6343-01660-1 Pflag RAmdeg 310.79535771 DEmdeg -20.81066116
PmRA -34.4 PmDE -39.4 E RAmdeg 10 E DEmdeg 13
E pmRA 1.6 E pmDE 1.6 EpRAm 1990.47 EpDEm 1988.97
Num 7 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.8
Q pmDE 1.1 BTmag 9.632 E BTmag 0.024 VTmag 9.067
E VTmag 0.020 Prox 999 TYC T HIP
CCDM RAdeg 310.79544222 DEdeg -20.81056694 EpRA 1990 1.76
EpDE 1990 1.37 E RAdeg 9.8 E DEdeg 14.0 Posflg
Corr -0.1
SAO
SAO 189609 DelFlag RA1950 PmRA1950 -0.0011
DE1950 PmDE1950 -0.035 Vmag 8.8 SpType F8
Double code Source 23 CatNum 8881 DM BD-21 5805
DMcomp BDsup HD 197256 M HD 0
GC RA1950rad 5.41181724 DE1950rad -0.36635701 PmRA2000 -0.001
PmDE2000 -0.037
 
 
20432-2049 B
 
 
Coord arcsec 2000 204310.89-204838.4 Mag 9.6 Calc delta mag 0.6 Calc coord yes
 
 
20432-2049 C
 
 
Coord arcsec 2000 204310.15-204830.2 Mag 14.8 PmRA -37.00 PmDE -35.0
Calc delta mag 5.8 Calc coord yes