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20257+2258
BRT 2474


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5' : 20260+2257
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POU4435



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

20257+2258 BRT 2474

 
 
20h 25m 40.95s +22° 57' 42.7" P.A. 103.00 sep 3.3 mag 11.40,11.80
 
 
Coord 2000 20257+2258 Discov num BRT2474 Comp Coord arcsec 2000 20 25 40.95 +22 57 42.7
Date first 1892 Date last 1892 Obs 1
Pa first 103 Pa last 102.5 P.A. Now (θ) 102.5°
Sep first 3.3 Sep last 3.3 Sep. Now (ρ) 3.3"
Mag pri 11.40 Mag sec 11.80 delta mag (ΔM) 0.4 Spectral class
Pri motion ra +008 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes N X (See Notes, Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Tycho2 2156-00188-1 Gaia DR2 1830838219203220736
 
 
WDS 20257+2258 BRT 2474 : NOTES
 
 
discov_num notes refcode
BRT2474 Not found by Heintz. Hei1995
 
 
REFERENCES
 
 
refcode metd author reference
Hei1995 Ma j Heintz, W.D. 1995ApJS...99..693H
Hei1995 +Po ApJS 99, 693, 1995
Hei1995 +orb
 
 
DISCOVERER
 
 
idgroup discov author
1 BRT Barton, S.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20257+2258 BRT2474 1892 1 103 3.3 11.40 11.80 NX 202540.95+225742.7

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

 
 
WDS 20257+2258 BRT 2474 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20257+2258 BRT 2474 : MEASURES
 
 
No records found.

 
 
WDS 20257+2258 : VIRTUAL EYEPIECE
 
 

20257+2258 BRT2474A mag 11.4 20257+2258 BRT2474B sep 3.0 P.A. 103.50 mag 11.8 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20257+2258 : ALADIN DSS IMAGE @ 20h 25m 40.95s +22° 57' 42.7"
 
 
 
 
WDS 20257+2258 BRT 2474 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20257+2258 BRT2474 distance=0' 20260+2257 BRT2475 distance=5' 20261+2300 COU 221 distance=6' 20248+2254 BRT2839AB distance=13' 20248+2254 SCA 175AC distance=13' 20248+2254 SCA 175BC distance=13' 20256+2244 GRV 339 distance=14' 20238+2251 BRT2473 distance=28' 20251+2327 POU4475 distance=30' 20264+2227 BRT2526 distance=33' 20246+2329 POU4467 distance=36' 20262+2333 POU4495 distance=36' 20258+2335 POU4487 distance=38' 20230+2308 TDT2225 distance=38' 20272+2329 POU4502 distance=39' 20244+2332 POU4458 distance=39' 20258+2338 POU4488 distance=40' 20274+2330 BKO 448 distance=41' 20237+2329 POU4434 distance=42' 20279+2326 POU4505 distance=42' 20280+2324 POU4506 distance=43' 20231+2320 RAO 431 distance=43' 20280+2326 POU4508 distance=43' 20233+2325 BKO 443BC distance=43' 20233+2325 POU4428AB distance=43' 20232+2326 BKO 442AB distance=44' 20232+2326 BKO 442AC distance=44' 20241+2335 POU4447 distance=44' 20231+2324 BKO 441 distance=44' 20280+2229 GRV 341 distance=44' 20237+2333 POU4435 distance=45' 20240+2336 POU4444 distance=45' 20247+2340 POU4468 distance=45' 20285+2323 POU4515 distance=46' 20268+2341 POU4500 distance=46' 20230+2328 J 3083 distance=46' 20225+2317 POU4414 distance=48' 20224+2315 POU4411 distance=49' 20249+2345 POU4472 distance=49' 20288+2322 POU4518AB distance=50' 20288+2322 POU4519AC distance=50' 20222+2244 GRV 335 distance=50' 20287+2325 POU4516AB distance=50' 20287+2325 BKO 449AC distance=50' 20231+2332 POU4426 distance=50' 20225+2323 POU4413 distance=51' 20221+2247 COU 124 distance=51' 20230+2332 POU4424 distance=51' 20237+2214 BRT2472 distance=51' 20229+2332 POU4422 distance=52' 20235+2343 POU4431 distance=54' 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 20257+2258 BRT2474 103 3.3
Show 20260+2257 BRT2475 280 4.9 5
Show 20261+2300 COU 221 339 1.5 6
Show 20248+2254 BRT2839 AB 140 1.5 13
Show 20248+2254 SCA 175 AC 131 2.6 13
Show 20248+2254 SCA 175 BC 119 1.1 13
Show 20256+2244 GRV 339 312 15.5 14
Show 20238+2251 BRT2473 227 4.9 28
Show 20251+2327 POU4475 198 7.6 30
Show 20264+2227 BRT2526 109 3.5 33
Show 20246+2329 POU4467 223 13.4 36
Show 20262+2333 POU4495 338 8.3 36
Show 20258+2335 POU4487 164 7.2 38
Show 20230+2308 TDT2225 336 2.4 38
Show 20272+2329 POU4502 185 9.3 39
Show 20244+2332 POU4458 42 9.5 39
Show 20258+2338 POU4488 4 10.4 40
Show 20274+2330 BKO 448 72 2.6 41
Show 20237+2329 POU4434 131 13.1 42
Show 20279+2326 POU4505 230 9.7 42
Show 20280+2324 POU4506 63 11.5 43
Show 20231+2320 RAO 431 281 3.8 43
Show 20280+2326 POU4508 98 16.3 43
Show 20233+2325 BKO 443 BC 157 6.7 43
Show 20233+2325 POU4428 AB 188 8.4 43
Show 20232+2326 BKO 442 AB 1 3.4 44
Show 20232+2326 BKO 442 AC 274 4.4 44
Show 20241+2335 POU4447 35 13.0 44
Show 20231+2324 BKO 441 139 5.1 44
Show 20280+2229 GRV 341 159 76.3 44
Show 20237+2333 POU4435 317 4.9 45
Show 20240+2336 POU4444 242 6.7 45
Show 20247+2340 POU4468 44 10.0 45
Show 20285+2323 POU4515 223 12.8 46
Show 20268+2341 POU4500 275 8.6 46
Show 20230+2328 J 3083 112 5.2 46
Show 20225+2317 POU4414 272 12.8 48
Show 20224+2315 POU4411 154 11.2 49
Show 20249+2345 POU4472 96 8.9 49
Show 20288+2322 POU4518 AB 324 20.5 50
Show 20288+2322 POU4519 AC 266 18.3 50
Show 20222+2244 GRV 335 27 49.2 50
Show 20287+2325 POU4516 AB 227 17.1 50
Show 20287+2325 BKO 449 AC 311 7.6 50
Show 20231+2332 POU4426 308 9.5 50
Show 20225+2323 POU4413 154 17.1 51
Show 20221+2247 COU 124 26 3.8 51
Show 20230+2332 POU4424 81 14.2 51
Show 20237+2214 BRT2472 209 3.2 51
Show 20229+2332 POU4422 95 11.1 52
Show 20235+2343 POU4431 228 15.8 54

 
 
WDS 20257+2258 : COMPONENTS
 
 
  A
B pa=103.5°
sep=3.05"
 
 
20257+2258 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202540.95+225742.7 Mag 11.4 PmRA 8.00
PmDE -2.0
 
 
20257+2258 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202541.16+225742.0 Mag 11.8 Tycho2 2156-00188-1
Calc delta mag 0.4 Calc coord yes
Tycho2
Tycho2 2156-00188-1 Pflag RAmdeg 306.42065052 DEmdeg 22.96186253
PmRA 8.1 PmDE -2.1 E RAmdeg 112 E DEmdeg 126
E pmRA 2.7 E pmDE 2.8 EpRAm 1967.92 EpDEm 1962.20
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 14.228 E BTmag 0.463 VTmag 12.415
E VTmag 0.197 Prox 999 TYC HIP
CCDM RAdeg 306.42062972 DEdeg 22.96186750 EpRA 1990 1.57
EpDE 1990 1.55 E RAdeg 129.4 E DEdeg 151.4 Posflg
Corr 0.1