18121+0207 BAL 1957

 
 
18h 12m 07.75s +02° 07' 53.1" P.A. 231.00 sep 8.7 mag 9.89,9.97
 
 
Coord 2000 18121+0207 Discov num BAL1957 Comp Coord arcsec 2000 18 12 07.75 +02 07 53.1
Date first 1909 Date last 2015 Obs 13
Pa first 231 Pa last 230.8 P.A. Now (θ) 230.8°
Sep first 8.7 Sep last 8.688 Sep. Now (ρ) 8.688"
Mag pri 9.89 Mag sec 9.97 delta mag (ΔM) 0.08 Spectral class
Pri motion ra +032 Sec motion ra +017
Pri motion dec -007 Sec motion dec -012
Notes N (See Notes)
rPM=0.483
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus Gaia DR2 4276148609044816384
 
 
WDS 18121+0207 BAL 1957 : NOTES
 
 
discov_num notes refcode
BAL1957 J 1829.
 
 
REFERENCES
 
 
refcode metd author reference
Bal1924 Ma - Baillaud, R. 1924JO......7..117B
Bal1924 J. Obs. 7, 117, 1924
Bal1925 Ma - Baillaud, R. 1925JO......8...53B
Bal1925 J. Obs. 8, 53, 1925
Bal1925b Ma j Baillaud, R. 1925JO......8...56B
Bal1925b J. Obs. 8, 56, 1925
Bal1926 Ma - Baillaud, R. 1926JO......9..129P
Bal1926 J. Obs. 9, 129, 1926
Bal1937A Ma - Baillaud, R. 1937AnLei..18....1S
Bal1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
Bal1944 C - Baillaud, R. 1944AnBes...3...33B
Bal1944 +Pa Ann. Obs. Besancon New Ser. 3, 33, 1943
Bal1944 +Po
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18121+0207 BAL1957 1999 3 51 8.7 10.20 10.20 N D 181207.31+020747.8
18121+0207 BAL1957 2004 5 231 8.4 9.89 9.97 N D 181207.75+020753.1
18121+0207 BAL1957 2009 6 231 8.4 9.89 9.97 N D 181207.75+020753.1
18121+0207 BAL1957 2013 8 230 8.6 9.89 9.97 N 181207.75+020753.1
18121+0207 BAL1957 2015 9 231 8.7 9.89 9.97 N 181207.75+020753.1

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WDS 18121+0207 BAL 1957 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18121+0207 BAL 1957 : MEASURES
 
 
No records found.

 
 
WDS 18121+0207 : VIRTUAL EYEPIECE
 
 

18121+0207 BAL1957A mag 9.89 18121+0207 BAL1957B sep 8.7 P.A. 230.80 mag 9.97 virtual eyepiece
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Radius:
Components only
 
 
WDS 18121+0207 : ALADIN DSS IMAGE @ 18h 12m 07.75s +02° 07' 53.1"
 
 
 
 
WDS 18121+0207 BAL 1957 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18121+0207  BAL1957 distance=0' 18117+0200  BAL1499 distance=10' 18123+0154  A  2260AB distance=15' 18123+0154  RAO  66AC distance=15' 18129+0228  HEI 559 distance=24' 18103+0209  DAL  18AB distance=28' 18103+0209  DAL  18AC distance=28' 18104+0232  STF2288 distance=36' 18128+0243  BAL1958 distance=37' 18130+0243  BAL1959AB distance=37' 18130+0243  BAL1959AC distance=37' 18130+0243  BAL1959BC distance=38' 18103+0235  BU  638BC distance=38' 18103+0235  STF2287AB distance=39' 18103+0235  BU  638AD distance=39' 18103+0235  BU  638AE distance=39' 18152+0229  BAL1961 distance=51' 18121+0258  GRV 231 distance=51' 18097+0247  BAL1955 distance=54' 18144+0251  BAL1960 distance=55' 18083+0209  BAL1954 distance=57' 18083+0230  NYS   7BC distance=60' 18083+0230  BAL1953AB distance=60' 18081+0213  BU  636AB distance=61' 18081+0213  BU  636AC distance=61' 18081+0213  BU  636AD distance=61' 18081+0213  GII 259Aa,Ab distance=61' 18080+0222  WLY   9 distance=63' 18079+0153  OSO  93AB distance=65' 18079+0153  OSO  93AC distance=65' 18079+0153  OSO  93AD distance=65' 18079+0153  OSO  93AE distance=65' 18079+0153  OSO  93AF distance=65' 18099+0307  BU  637AB distance=69' 18099+0307  BU  637AC distance=69' 18099+0307  YSC 132Aa,Ab distance=69' 18076+0224  BAL1952 distance=71' 18150+0304  SLE 145 distance=71' 18113+0058  CVR 212 distance=71' 18074+0227  BAL1951 distance=73' 18153+0305  SLE 146AB distance=75' 18153+0305  SLE 146AC distance=75' 18069+0159  BAL1498 distance=79' 18090+0315  BAL2477 distance=82' 18106+0327  BAL2481 distance=83' 18139+0332  TDT 750 distance=89' 18162+0319  J  1269AB distance=94' 18162+0319  J  1269AC distance=94' 18084+0325  BAL2475 distance=96' 18076+0314  SLE  85 distance=96' 18166+0316  J  3325 distance=96' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 18121+0207 BAL1957 231 8.7
Show 18117+0200 BAL1499 151 6.3 10
Show 18123+0154 A 2260 AB 107 1.9 15
Show 18123+0154 RAO 66 AC 72 17.2 15
Show 18129+0228 HEI 559 173 0.8 24
Show 18103+0209 DAL 18 AB 274 12.5 28
Show 18103+0209 DAL 18 AC 314 45.0 28
Show 18104+0232 STF2288 58 15.9 36
Show 18128+0243 BAL1958 140 3.9 37
Show 18130+0243 BAL1959 AB 31 23.1 37
Show 18130+0243 BAL1959 AC 66 15.4 37
Show 18130+0243 BAL1959 BC 171 13.8 38
Show 18103+0235 BU 638 BC 4 1.8 38
Show 18103+0235 STF2287 AB 153 22.9 39
Show 18103+0235 BU 638 AD 222 59.7 39
Show 18103+0235 BU 638 AE 344 13.7 39
Show 18152+0229 BAL1961 358 17.4 51
Show 18121+0258 GRV 231 181 50.7 51
Show 18097+0247 BAL1955 174 28.4 54
Show 18144+0251 BAL1960 176 13.8 55
Show 18083+0209 BAL1954 226 13.6 57
Show 18083+0230 NYS 7 BC 84 16.0 60
Show 18083+0230 BAL1953 AB 122 17.1 60
Show 18081+0213 BU 636 AB 120 1.4 61
Show 18081+0213 BU 636 AC 93 11.7 61
Show 18081+0213 BU 636 AD 348 40.8 61
Show 18081+0213 GII 259 Aa,Ab 168 0.1 61
Show 18080+0222 WLY 9 94 16.4 63
Show 18079+0153 OSO 93 AB 21 12.7 65
Show 18079+0153 OSO 93 AC 295 13.1 65
Show 18079+0153 OSO 93 AD 171 17.6 65
Show 18079+0153 OSO 93 AE 66 21.7 65
Show 18079+0153 OSO 93 AF 194 20.9 65
Show 18099+0307 BU 637 AB 191 7.2 69
Show 18099+0307 BU 637 AC 245 98.2 69
Show 18099+0307 YSC 132 Aa,Ab 357 0.0 69
Show 18076+0224 BAL1952 153 13.5 71
Show 18150+0304 SLE 145 27 11.5 71
Show 18113+0058 CVR 212 346 99.8 71
Show 18074+0227 BAL1951 251 3.2 73
Show 18153+0305 SLE 146 AB 151 18.4 75
Show 18153+0305 SLE 146 AC 157 49.8 75
Show 18069+0159 BAL1498 255 3.0 79
Show 18090+0315 BAL2477 162 18.8 82
Show 18106+0327 BAL2481 108 10.7 83
Show 18139+0332 TDT 750 97 0.7 89
Show 18162+0319 J 1269 AB 104 3.4 94
Show 18162+0319 J 1269 AC 355 9.5 94
Show 18084+0325 BAL2475 88 5.5 96
Show 18076+0314 SLE 85 181 11.3 96
Show 18166+0316 J 3325 219 2.5 96

 
 
WDS 18121+0207 : COMPONENTS
 
 
  A
B pa=230.8°
sep=8.68"
 
 
18121+0207 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 181207.75+020753.1 Mag 9.89 PmRA 32.00
PmDE -7.0
 
 
18121+0207 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181207.30+020747.6 Mag 9.97 PmRA 17.00
PmDE -12.0 Calc delta mag 0.08 Calc coord yes