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Doubles in session


Current system
17567-2026
DON 871


Nearby doubles
14' : 17568-2036
J 1617AB

24' : 17552-2035
DON 869

28' : 17585-2016
DON 875

32' : 17575-1957
A 2255

36' : 17576-1953
OCC1021

46' : 17599-2023
TDT 619

47' : 18000-2027
DON 876

48' : 17575-2113
BRT1511

49' : 17536-2049
OL 102

62' : 17577-1927
OCC 525

63' : 17574-1925
SKF 933

66' : 18011-2048
HLD 140

67' : 17569-1920
B 2846

68' : 17522-2051
BHA 20

68' : 17543-1927
DOO 69

68' : 17579-1921
RST5097

69' : 18011-1958
I 620

69' : 17546-1924
TDT 567

71' : 17526-2108
J 1616

71' : 18011-1952
A 2387AB

74' : 17582-1916
CHR 66

77' : 17531-2125
HDS2524

78' : 17518-2104
LSC 79

78' : 18012-1942
B 2849

79' : 17577-2143
HDS2530

81' : 17546-1911
HJ 2812



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

17567-2026 DON 871

 
 
17h 56m 39.71s -20° 26' 17.9" P.A. 310.00 sep 5.4 mag 11.23,14.50 Sp B5
 
 
Coord 2000 17567-2026 Discov num DON 871 Comp Coord arcsec 2000 17 56 39.71 -20 26 17.9
Date first 1929 Date last 2015 Obs 5
Pa first 309 Pa last 309.5 P.A. Now (θ) 309.5°
Sep first 4.7 Sep last 5.366 Sep. Now (ρ) 5.366"
Mag pri 11.23 Mag sec 14.50 delta mag (ΔM) 3.27 Spectral class B5 (blue-white)
Pri motion ra +011 Sec motion ra -111
Pri motion dec -017 Sec motion dec +099
Notes
rPM=1.132
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6258-00905-1 Gaia DR2 4071099135085938560 HD 312448
 
 
WDS 17567-2026 DON 871 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
DON Donner, H.F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
17567-2026 DON 871 1998 2 310 5.3 11.23 14.50 -20 4920 D 175639.71-202617.9
17567-2026 DON 871 1999 3 310 5.4 11.23 14.50 -20 4920 D 175639.71-202617.9
17567-2026 DON 871 2015 5 310 5.4 11.23 14.50 B5 -20 4920 175639.71-202617.9

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

 
 
WDS 17567-2026 DON 871 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17567-2026 DON 871 : MEASURES
 
 
No records found.

 
 
WDS 17567-2026 : VIRTUAL EYEPIECE
 
 

17567-2026 DON 871A mag 11.23 Sp B5 17567-2026 DON 871B sep 5.4 P.A. 309.50 mag 14.5 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 17567-2026 : ALADIN DSS IMAGE @ 17h 56m 39.71s -20° 26' 17.9"
 
 
 
 
WDS 17567-2026 DON 871 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17567-2026 DON 871 distance=0' 17568-2036 J 1617AB distance=14' 17568-2036 J 1617AC distance=14' 17552-2035 DON 869 distance=24' 17585-2016 DON 875 distance=28' 17575-1957 A 2255 distance=32' 17576-1953 OCC1021 distance=36' 17599-2023 TDT 619 distance=46' 18000-2027 DON 876 distance=47' 17575-2113 BRT1511 distance=48' 17536-2049 OL 102 distance=49' 17577-1927 OCC 525 distance=62' 17574-1925 SKF 933 distance=63' 18011-2048 HLD 140 distance=66' 17569-1920 B 2846 distance=67' 17522-2051 BHA 20 distance=68' 17543-1927 DOO 69 distance=68' 17579-1921 RST5097 distance=68' 18011-1958 I 620 distance=69' 17546-1924 TDT 567 distance=69' 17526-2108 J 1616 distance=71' 18011-1952 A 2387AB distance=71' 18011-1952 I 9027AC distance=71' 17582-1916 CHR 66 distance=74' 17531-2125 HDS2524 distance=77' 17518-2104 LSC 79 distance=78' 18012-1942 B 2849 distance=78' 17577-2143 HDS2530 distance=79' 17546-1911 HJ 2812 distance=81' 17514-1955 GKM9384Aa,Ab distance=81' 17571-1906 ARA 719 distance=82' 18004-1923 OCC 526 distance=83' 17569-1903 FEN 25 distance=84' 17552-2149 ARA1504 distance=86' 17576-2158 ARA1506 distance=93' 17555-2203 ARA1830 distance=99' 17496-2000 HJ 2810AB distance=103' 17496-2000 BU 1460AD distance=103' 17497-2100 BRT1509 distance=104' 17554-1843 RST3136 distance=106' 18009-1858 HJ 2815 distance=107' 17496-2000 BU 1460DC distance=108' 17496-2000 BU 1460DE distance=108' 18025-1916 BHA 22 distance=109' 18023-1903 ARA 722 distance=116' 18033-1919 BRT1512 distance=116' 17573-2223 BRT1510 distance=117' 17591-2218 ARA1833 distance=117' 17543-1828 A 2253 distance=124' 18046-1936 HJ 2817 distance=124' 17529-2218 ARA1826 distance=124' 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 17567-2026 DON 871 310 5.4 0
Show 17568-2036 J 1617 AB 104 8.3 14
Show 17568-2036 J 1617 AC 248 10.6 14
Show 17552-2035 DON 869 127 0.6 24
Show 17585-2016 DON 875 325 6.0 28
Show 17575-1957 A 2255 302 1.3 32
Show 17576-1953 OCC1021 -1 0.0 36
Show 17599-2023 TDT 619 198 1.5 46
Show 18000-2027 DON 876 15 1.2 47
Show 17575-2113 BRT1511 216 3.7 48
Show 17536-2049 OL 102 278 3.6 49
Show 17577-1927 OCC 525 -1 0.3 62
Show 17574-1925 SKF 933 161 3.8 63
Show 18011-2048 HLD 140 263 2.3 66
Show 17569-1920 B 2846 141 10.9 67
Show 17522-2051 BHA 20 241 4.0 68
Show 17543-1927 DOO 69 88 11.6 68
Show 17579-1921 RST5097 183 0.9 68
Show 18011-1958 I 620 64 19.4 69
Show 17546-1924 TDT 567 176 1.7 69
Show 17526-2108 J 1616 151 6.0 71
Show 18011-1952 A 2387 AB 44 1.0 71
Show 18011-1952 I 9027 AC 301 33.3 71
Show 17582-1916 CHR 66 111 0.4 74
Show 17531-2125 HDS2524 331 0.1 77
Show 17518-2104 LSC 79 266 0.3 78
Show 18012-1942 B 2849 351 12.5 78
Show 17577-2143 HDS2530 188 0.5 79
Show 17546-1911 HJ 2812 134 12.5 81
Show 17514-1955 GKM9384 Aa,Ab 238 0.3 81
Show 17571-1906 ARA 719 150 15.0 82
Show 18004-1923 OCC 526 -1 0.4 83
Show 17569-1903 FEN 25 14 5.1 84
Show 17552-2149 ARA1504 163 9.4 86
Show 17576-2158 ARA1506 17 13.5 93
Show 17555-2203 ARA1830 122 11.9 99
Show 17496-2000 HJ 2810 AB 187 44.0 103
Show 17496-2000 BU 1460 AD 270 297.0 103
Show 17497-2100 BRT1509 90 3.6 104
Show 17554-1843 RST3136 353 1.9 106
Show 18009-1858 HJ 2815 104 14.4 107
Show 17496-2000 BU 1460 DC 302 34.6 108
Show 17496-2000 BU 1460 DE 148 30.5 108
Show 18025-1916 BHA 22 63 3.8 109
Show 18023-1903 ARA 722 269 7.2 116
Show 18033-1919 BRT1512 34 3.8 116
Show 17573-2223 BRT1510 221 5.2 117
Show 17591-2218 ARA1833 99 14.1 117
Show 17543-1828 A 2253 75 0.4 124
Show 18046-1936 HJ 2817 275 13.4 124
Show 17529-2218 ARA1826 97 7.1 124

 
 
WDS 17567-2026 : COMPONENTS
 
 
  A
B pa=309.5°
sep=5.37"
 
 
17567-2026 A
 
 
Coord arcsec 2000 175639.71-202617.9 Mag 11.23 Spectral class B5 (blue-white) PmRA 11.00
PmDE -17.0 Tycho2 6258-00905-1 HD 312448
Tycho2
Tycho2 6258-00905-1 Pflag RAmdeg 269.16547432 DEmdeg -20.43831286
PmRA 3.0 PmDE -12.7 E RAmdeg 41 E DEmdeg 59
E pmRA 2.9 E pmDE 3.1 EpRAm 1988.87 EpDEm 1986.02
Num 3 Q RAmdeg 1.9 Q DEmdeg 0.3 Q pmRA 1.9
Q pmDE 0.3 BTmag 11.413 E BTmag 0.074 VTmag 11.226
E VTmag 0.102 Prox 344 TYC T HIP
CCDM RAdeg 269.16546750 DEdeg -20.43828389 EpRA 1990 1.87
EpDE 1990 1.78 E RAdeg 41.9 E DEdeg 61.9 Posflg
Corr 0.0
 
 
17567-2026 B
 
 
Coord arcsec 2000 175639.42-202614.5 Mag 14.5 PmRA -111.00 PmDE 99.0
Delta magnitude 3.27 Coordinate calculated yes