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Current system
20274+1457
BRT 1343


Nearby doubles
3' : 20275+1454
A 1674AB

18' : 20275+1514
J 3087

20' : 20279+1515
BPMA248

22' : 20263+1445
J 3085

26' : 20288+1514
SLW1225

28' : 20267+1431
BPM2162

29' : 20284+1432
TDT2312

30' : 20257+1510
BPM2153

34' : 20295+1512
BPM2175

38' : 20250+1451
J 842

39' : 20255+1431
BPM2151

39' : 20250+1443
BPM2147

40' : 20248+1452
STF2680

42' : 20246+1459
BPM2145

44' : 20247+1443
HJ 1508AB

46' : 20270+1541
BPM2165

46' : 20247+1438
HJ 1507

49' : 20252+1532
TDT2256

49' : 20253+1420
BPM2149

51' : 20250+1532
TDS1072

53' : 20240+1443
BPM2143

54' : 20271+1549
BPM2168

54' : 20252+1416
BPM2148

57' : 20315+1448
J 1884

57' : 20239+1437
LDS4839

57' : 20259+1549
BPM2154



Selections
Full WDS
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.

20274+1457 BRT 1343

 
 
20h 27m 30.17s +14° 56' 28.0" P.A. 335.00 sep 4.5 mag 11.00,11.00
 
 
Coord 2000 20274+1457 Discov num BRT1343 Comp Coord arcsec 2000 20 27 30.17 +14 56 28.0
Date first 1905 Date last 2016 Obs 9
Pa first 332 Pa last 334.6 P.A. Now (θ) 334.6°
Sep first 4.4 Sep last 4.52 Sep. Now (ρ) 4.52"
Mag pri 11.00 Mag sec 11.00 delta mag (ΔM) 0 Spectral class
Pri motion ra -004 Sec motion ra
Pri motion dec -017 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 1099-00429-1 Gaia DR2 1805420843255233152
 
 
WDS 20274+1457 BRT 1343 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Brt1926a Pa - Barton, S.G. 1926AJ.....36..155B
Brt1926a AJ 36, 155, 1926 (BRT 1 - BRT 62)
Brt1926b Pa j Barton, S.G. 1926AJ.....37...57B
Brt1926b AJ 37, 57, 1926 (BRT 63 - BRT 116)
Brt1928 Pa - Barton, S.G. 1928AJ.....38..168B
Brt1928 AJ 38, 168, 1928 (BRT 117 - BRT 230)
Brt1929a Pa - Barton, S.G. 1929AN....235..425B
Brt1929a AN 235, 425, 1929 (BRT 294 - BRT 322)
Brt1929b Pa - Barton, S.G. 1929AJ.....39...93B
Brt1929b AJ 39, 93, 1929 (BRT 231 - BRT 293)
Brt1929c Ma j Barton, S.G. 1929AJ.....39..120B
Brt1929c AJ 39, 120, 1929
Brt1930 Pa - Barton, S.G. 1930AJ.....40..181B
Brt1930 AJ 40, 181, 1930 (BRT 323 - BRT 348)
Brt1931 Pa - Barton, S.G. (BRT 349 - BRT 562) 1931AJ.....41...35B
Brt1931 AJ 41, 35, 1931 (no measures for BRT 529 - BRT 562)
Brt1932a Pa - Barton, S.G. 1932AJ.....42...93B
Brt1932a AJ 42, 93, 1932 (BRT 604 - BRT 636)
Brt1932b Ma - Barton, S.G. 1932PFAO....5a...1B
Brt1932b +Pa Pub. Univ. Penn. 5, Pt.1, Sec.2, 1932 (BRT 563 - BRT 603, BRT1928, etc.)
Brt1932C Ma - Barton, S.G. 1932QB821.A43......
Brt1932C cited in ADS (Aitken Double Star Cat.), 1932
Brt1933 Pa - Barton, S.G. 1933AN....250...49B
Brt1933 AN 250, 49, 1933
Brt1933 (BRT 637 - BRT1134; very approximate dates added for pairs listed with only
Brt1933 secondary magnitudes and no astrometry)
Brt1934 Pa - Barton, S.G. 1934AJ.....43..119B
Brt1934 +Ma AJ 43, 119, 1934
Brt1935a Pa - Barton, S.G. 1935AJ.....44..105B
Brt1935a +Ma AJ 44, 105, 1935
Brt1935b Pa - Barton, S.G. 1935AN....256..357B
Brt1935b AN 256, 357, 1935
Brt1936a Ma - Barton, S.G. 1936AJ.....45...33B
Brt1936a +Pa AJ 45, 33, 1936
Brt1936b Pa - Barton, S.G. 1936AJ.....45...99B
Brt1936b +Ma AJ 45, 99, 1936
Brt1937a Pa - Barton, S.G. 1937AN....263..347B
Brt1937a AN 263, 347, 1937
Brt1937b Pa - Barton, S.G. 1937AN....263..383B
Brt1937b AN 263, 383, 1937
Brt1938 Ma - Barton, S.G. 1938AJ.....47..133B
Brt1938 +Pa AJ 47, 133, 1938
Brt1939a Ma - Barton, S.G. 1939PFAO....5b...1B
Brt1939a +Pa Pub. Univ. Penn. 5, Pt.2, Sec.2, 1939
Brt1939b Pa - Barton, S.G. 1939AJ.....48..145B
Brt1939b +Ma AJ 48, 145, 1939
Brt1941 Pa - Barton, S.G. 1941PASP...55..339B
Brt1941 PASP 55, 339, 1941
Brt1942 Pa - Barton, S.G. 1942AJ.....50...11B
Brt1942 AJ 50, 11, 1942
Brt1947 Ma - Barton, S.G. 1947AJ.....52..178B
Brt1947 +Pa AJ 52, 178, 1947
Brt1949 Ma - Barton, S.G. 1949PFAO....7a...1B
Brt1949 Pub. Univ. Penn. 7, Pt.1, Sec.1, 1949
Brt1951 Pa - Barton, S.G. 1951AJ.....55..218B
Brt1951 AJ 55, 218, 1951
Brt1957 Ma - Barton, S.G. 1957QB4.P5v7ps3....
Brt1957 Pub. Univ. Penn. 7, Pt.3, 15, 1957
Brt9999 Ma - Barton, S.G. ...................
Brt9999 +Pa Unpublished, manuscript or reference not found.
Brt2002A Ma - Barton, S.G. 2002yCat.1275....0D
Brt2002A +Pa cited in CCDM
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20274+1457 BRT1343 2006 5 335 4.4 11.00 11.00 D 202730.17+145628.0
20274+1457 BRT1343 2015 7 335 4.5 11.00 11.00 202730.17+145628.0
20274+1457 BRT1343 2016 9 335 4.5 11.00 11.00 202730.17+145628.0

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

 
 
WDS 20274+1457 BRT 1343 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20274+1457 BRT 1343 : MEASURES
 
 
No records found.

 
 
WDS 20274+1457 : VIRTUAL EYEPIECE
 
 

20274+1457 BRT1343A mag 11 20274+1457 BRT1343B sep 4.5 P.A. 335.40 mag 11 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 20274+1457 : ALADIN DSS IMAGE @ 20h 27m 30.17s +14° 56' 28.0"
 
 
 
 
WDS 20274+1457 BRT 1343 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20274+1457 BRT1343 distance=0' 20275+1454 A 1674CD distance=3' 20275+1454 A 1674AB distance=3' 20275+1454 A 1674AC distance=3' 20275+1514 J 3087 distance=18' 20279+1515 BPMA248 distance=20' 20263+1445 J 3085 distance=22' 20288+1514 SLW1225 distance=26' 20267+1431 BPM2162 distance=28' 20284+1432 TDT2312 distance=29' 20257+1510 BPM2153 distance=30' 20295+1512 BPM2175 distance=34' 20250+1451 J 842 distance=38' 20255+1431 BPM2151 distance=39' 20250+1443 BPM2147 distance=39' 20248+1452 STF2680 distance=40' 20246+1459 BPM2145 distance=42' 20247+1443 HJ 1508AB distance=44' 20247+1443 VLM 4AC distance=44' 20270+1541 BPM2165 distance=46' 20247+1438 HJ 1507 distance=46' 20252+1532 TDT2256 distance=49' 20253+1420 BPM2149 distance=49' 20250+1532 TDS1072 distance=51' 20240+1443 BPM2143 distance=53' 20271+1549 BPM2168 distance=54' 20252+1416 BPM2148 distance=54' 20315+1448 J 1884 distance=57' 20239+1437 LDS4839 distance=57' 20259+1549 BPM2154 distance=57' 20315+1446 J 1885 distance=58' 20316+1442 A 1676 distance=61' 20306+1540 GRV 346 distance=64' 20233+1515 BPM2140BD distance=64' 20233+1515 BPM2138AB distance=64' 20233+1515 BPM2139AC distance=64' 20231+1508 BPM2137 distance=65' 20255+1555 BPM2152 distance=66' 20236+1421 BPM2141 distance=68' 20268+1603 GWP2950 distance=68' 20321+1511 A 1677 distance=69' 20306+1404 AG 408 distance=70' 20226+1510 LDS4838 distance=72' 20311+1548 A 1675 distance=74' 20310+1402 BPM2180 distance=75' 20230+1533 BPM2136 distance=75' 20324+1524 TDS1080 distance=77' 20320+1416 HJL 282 distance=77' 20221+1501 BPM2130 distance=79' 20226+1529 BPM2133 distance=79' 20253+1609 BPM2150 distance=80' 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 20274+1457 BRT1343 335 4.5
Show 20275+1454 A 1674 CD 171 1.3 3
Show 20275+1454 A 1674 AB 14 0.9 3
Show 20275+1454 A 1674 AC 294 8.4 3
Show 20275+1514 J 3087 329 6.2 18
Show 20279+1515 BPMA248 224 168.3 20
Show 20263+1445 J 3085 206 6.0 22
Show 20288+1514 SLW1225 38 11.7 26
Show 20267+1431 BPM2162 214 78.9 28
Show 20284+1432 TDT2312 251 0.6 29
Show 20257+1510 BPM2153 113 95.6 30
Show 20295+1512 BPM2175 197 75.4 34
Show 20250+1451 J 842 180 4.2 38
Show 20255+1431 BPM2151 294 48.5 39
Show 20250+1443 BPM2147 65 92.4 39
Show 20248+1452 STF2680 288 16.2 40
Show 20246+1459 BPM2145 162 73.2 42
Show 20247+1443 HJ 1508 AB 59 13.9 44
Show 20247+1443 VLM 4 AC 152 17.4 44
Show 20270+1541 BPM2165 182 62.1 46
Show 20247+1438 HJ 1507 64 10.4 46
Show 20252+1532 TDT2256 43 0.9 49
Show 20253+1420 BPM2149 339 38.5 49
Show 20250+1532 TDS1072 161 0.9 51
Show 20240+1443 BPM2143 221 87.9 53
Show 20271+1549 BPM2168 55 108.3 54
Show 20252+1416 BPM2148 96 68.4 54
Show 20315+1448 J 1884 132 8.8 57
Show 20239+1437 LDS4839 311 10.4 57
Show 20259+1549 BPM2154 206 93.0 57
Show 20315+1446 J 1885 353 12.0 58
Show 20316+1442 A 1676 99 1.9 61
Show 20306+1540 GRV 346 11 66.6 64
Show 20233+1515 BPM2140 BD 306 82.6 64
Show 20233+1515 BPM2138 AB 179 54.0 64
Show 20233+1515 BPM2139 AC 359 111.7 64
Show 20231+1508 BPM2137 314 41.6 65
Show 20255+1555 BPM2152 335 107.4 66
Show 20236+1421 BPM2141 171 109.3 68
Show 20268+1603 GWP2950 44 20.6 68
Show 20321+1511 A 1677 184 1.3 69
Show 20306+1404 AG 408 285 5.1 70
Show 20226+1510 LDS4838 25 19.4 72
Show 20311+1548 A 1675 294 0.1 74
Show 20310+1402 BPM2180 301 61.2 75
Show 20230+1533 BPM2136 245 91.7 75
Show 20324+1524 TDS1080 286 1.0 77
Show 20320+1416 HJL 282 189 74.8 77
Show 20221+1501 BPM2130 349 49.5 79
Show 20226+1529 BPM2133 169 63.6 79
Show 20253+1609 BPM2150 238 101.1 80

 
 
WDS 20274+1457 : COMPONENTS
 
 
  A
B pa=335.4°
sep=4.49"
 
 
20274+1457 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202730.17+145628.0 Mag 11 PmRA -4.00
PmDE -17.0 Tycho2 1099-00429-1
Tycho2
Tycho2 1099-00429-1 Pflag RAmdeg 306.87573846 DEmdeg 14.94112715
PmRA -4.1 PmDE -16.9 E RAmdeg 90 E DEmdeg 93
E pmRA 3.0 E pmDE 3.0 EpRAm 1979.75 EpDEm 1978.25
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 12.717 E BTmag 0.264 VTmag 11.695
E VTmag 0.150 Prox 999 TYC HIP
CCDM RAdeg 306.87574778 DEdeg 14.94116694 EpRA 1990 1.65
EpDE 1990 1.54 E RAdeg 96.7 E DEdeg 100.6 Posflg
Corr -0.1
 
 
20274+1457 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202730.04+145632.1 Mag 11 Calc coord yes