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Doubles in session


Current system
20298+0227
BAL 2027


Nearby doubles
15' : 20306+0224
BAL2028

24' : 20310+0211
J 561

32' : 20302+0156
BAL1562

44' : 20321+0251
BAL2030

48' : 20307+0311
BAL2029

52' : 20278+0311
HJ 917

53' : 20291+0135
GWP2956AB

53' : 20281+0140
BAL1560

56' : 20267+0155
J 155AB

56' : 20293+0132
BAL1561

56' : 20302+0321
DOO 87

56' : 20330+0201
TDT2361

59' : 20263+0156
BAL1557

60' : 20291+0325
HJ 2968

61' : 20274+0317
BAL2025

64' : 20294+0330
HJ 2970

65' : 20266+0143
BAL1558

70' : 20251+0233
BAL2023

71' : 20251+0225
LDS4841

71' : 20257+0304
BAL2024

74' : 20341+0256
BAL2031

76' : 20321+0330
J 2573

82' : 20351+0218
UC 4224

84' : 20247+0302
J 1342

85' : 20351+0202
BAL1564

85' : 20353+0239
HJ 2981



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20298+0227 BAL 2027

 
 
20h 29m 41.64s +02° 26' 38.6" P.A. 171.00 sep 4.2 mag 11.91,13.00
 
 
Coord 2000 20298+0227 Discov num BAL2027 Comp Coord arcsec 2000 20 29 41.64 +02 26 38.6
Date first 1982 Date last 2015 Obs 4
Pa first 166 Pa last 171.4 P.A. Now (θ) 171.4°
Sep first 3.2 Sep last 4.169 Sep. Now (ρ) 4.169"
Mag pri 11.91 Mag sec 13.00 delta mag (ΔM) 1.09 Spectral class
Pri motion ra -008 Sec motion ra
Pri motion dec +017 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 4232599079462386560
 
 
WDS 20298+0227 BAL 2027 : NOTES
 
 
No records found.

 
 
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
20298+0227 BAL2027 2000 2 171 4.0 11.91 13.00 D 202941.64+022638.6
20298+0227 BAL2027 2015 4 171 4.2 11.91 13.00 202941.64+022638.6

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

 
 
WDS 20298+0227 BAL 2027 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20298+0227 BAL 2027 : MEASURES
 
 
No records found.

 
 
WDS 20298+0227 : VIRTUAL EYEPIECE
 
 

20298+0227 BAL2027A mag 11.91 20298+0227 BAL2027B sep 4.2 P.A. 171.40 mag 13 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20298+0227 : ALADIN DSS IMAGE @ 20h 29m 41.64s +02° 26' 38.6"
 
 
 
 
WDS 20298+0227 BAL 2027 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20298+0227 BAL2027 distance=0' 20306+0224 BAL2028 distance=15' 20310+0211 J 561 distance=24' 20302+0156 BAL1562 distance=32' 20321+0251 BAL2030 distance=44' 20307+0311 BAL2029 distance=48' 20278+0311 HJ 917 distance=52' 20291+0135 GWP2956AB distance=53' 20291+0135 GWP2957AC distance=53' 20281+0140 BAL1560 distance=53' 20267+0155 J 155BC distance=55' 20267+0155 J 155AB distance=56' 20293+0132 BAL1561 distance=56' 20302+0321 DOO 87 distance=56' 20330+0201 TDT2361 distance=56' 20263+0156 BAL1557 distance=59' 20291+0325 HJ 2968 distance=60' 20274+0317 BAL2025 distance=61' 20294+0330 HJ 2970 distance=64' 20266+0143 BAL1558 distance=65' 20251+0233 BAL2023 distance=70' 20251+0225 LDS4841 distance=71' 20257+0304 BAL2024 distance=71' 20341+0256 BAL2031 distance=74' 20321+0330 J 2573 distance=76' 20351+0218 UC 4224 distance=82' 20247+0302 J 1342 distance=84' 20351+0202 BAL1564 distance=85' 20353+0239 HJ 2981 distance=85' 20253+0133 BAL1556 distance=86' 20286+0351 HJ 2967 distance=86' 20283+0351 BAL2533 distance=87' 20329+0113 BAL1216 distance=88' 20275+0107 J 560 distance=88' 20347+0321 CRC 38 distance=93' 20309+0400 BAL2538 distance=96' 20366+0123 HJ 5513AB distance=97' 20366+0123 HJ 5513AC distance=97' 20366+0123 HJ 5513AD distance=97' 20283+0052 FSM 2 distance=97' 20258+0058 SKF 927 distance=106' 20323+0049 UC 4207 distance=106' 20228+0156 TDT2221 distance=108' 20269+0045 CVR 224 distance=110' 20253+0355 UC 4175 distance=111' 20225+0155 HJ 2955 distance=113' 20246+0104 STF2677AB distance=113' 20246+0104 STF2677AC distance=113' 20367+0132 GRV 361 distance=119' 20260-0041 A 728 distance=120' 20376+0211 GRV 364 distance=120' 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 20298+0227 BAL2027 171 4.2
Show 20306+0224 BAL2028 196 9.5 15
Show 20310+0211 J 561 176 4.3 24
Show 20302+0156 BAL1562 308 9.0 32
Show 20321+0251 BAL2030 286 10.8 44
Show 20307+0311 BAL2029 141 7.5 48
Show 20278+0311 HJ 917 37 12.8 52
Show 20291+0135 GWP2956 AB 250 16.5 53
Show 20291+0135 GWP2957 AC 258 172.4 53
Show 20281+0140 BAL1560 3 6.6 53
Show 20267+0155 J 155 BC 164 3.3 55
Show 20267+0155 J 155 AB 348 53.1 56
Show 20293+0132 BAL1561 8 15.8 56
Show 20302+0321 DOO 87 33 11.9 56
Show 20330+0201 TDT2361 37 0.5 56
Show 20263+0156 BAL1557 211 6.4 59
Show 20291+0325 HJ 2968 50 15.3 60
Show 20274+0317 BAL2025 94 10.2 61
Show 20294+0330 HJ 2970 180 12.0 64
Show 20266+0143 BAL1558 9 18.3 65
Show 20251+0233 BAL2023 330 7.4 70
Show 20251+0225 LDS4841 246 44.6 71
Show 20257+0304 BAL2024 70 16.1 71
Show 20341+0256 BAL2031 334 17.4 74
Show 20321+0330 J 2573 151 4.0 76
Show 20351+0218 UC 4224 220 16.1 82
Show 20247+0302 J 1342 333 2.4 84
Show 20351+0202 BAL1564 268 4.8 85
Show 20353+0239 HJ 2981 5 12.9 85
Show 20253+0133 BAL1556 22 6.6 86
Show 20286+0351 HJ 2967 131 7.1 86
Show 20283+0351 BAL2533 256 19.0 87
Show 20329+0113 BAL1216 157 15.1 88
Show 20275+0107 J 560 188 4.2 88
Show 20347+0321 CRC 38 300 10.5 93
Show 20309+0400 BAL2538 202 10.8 96
Show 20366+0123 HJ 5513 AB 93 11.9 97
Show 20366+0123 HJ 5513 AC 284 28.7 97
Show 20366+0123 HJ 5513 AD 89 42.5 97
Show 20283+0052 FSM 2 118 0.0 97
Show 20258+0058 SKF 927 230 65.9 106
Show 20323+0049 UC 4207 297 31.1 106
Show 20228+0156 TDT2221 260 0.7 108
Show 20269+0045 CVR 224 217 35.6 110
Show 20253+0355 UC 4175 87 20.7 111
Show 20225+0155 HJ 2955 246 14.1 113
Show 20246+0104 STF2677 AB 30 31.2 113
Show 20246+0104 STF2677 AC 13 16.2 113
Show 20367+0132 GRV 361 103 28.0 119
Show 20260-0041 A 728 348 0.3 120
Show 20376+0211 GRV 364 156 40.3 120

 
 
WDS 20298+0227 : COMPONENTS
 
 
  A
B pa=171.4°
sep=4.17"
 
 
20298+0227 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202941.64+022638.6 Mag 11.91 PmRA -8.00
PmDE 17.0
 
 
20298+0227 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202941.68+022634.5 Mag 13 Calc delta mag 1.09
Calc coord yes