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Current system
20042+3851
ALI 915


Nearby doubles
5' : 20040+3847
ALI 914AB

9' : 20035+3837
COU2533

13' : 20052+3857
BU 1480

16' : 20048+3837
SEI 843

23' : 20057+3905
J 1072

24' : 20022+3849
ES 2044

25' : 20052+3829
BU 1481AB

29' : 20020+3840
A 1411AB

30' : 20039+3822
SEI 835

32' : 20044+3820
TOR 20

32' : 20066+3836
BRT2229

32' : 20037+3820
HJ 1470

34' : 20060+3821
POP 185AB

34' : 20035+3924
SEI 828AB

37' : 20041+3815
TOR 18

38' : 20022+3822
TDT1927

38' : 20034+3815
A 1412

38' : 20051+3814
COU2213

42' : 20076+3837
A 1416

42' : 20027+3928
SKF1765AB

43' : 20011+3913
SEI 791

46' : 20033+3807
SEI 825

47' : 20038+3937
ALI1132

48' : 20056+3935
COU2535

49' : 20074+3819
POP 187

50' : 20001+3842
SEI 777



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

20042+3851 ALI 915

 
 
20h 04m 12.33s +38° 50' 52.0" P.A. 198.00 sep 14.9 mag 11.27,13.50 Sp F5V
 
 
Coord 2000 20042+3851 Discov num ALI 915 Comp Coord arcsec 2000 20 04 12.33 +38 50 52.0
Date first 1928 Date last 2015 Obs 10
Pa first 196 Pa last 197.8 P.A. Now (θ) 197.8°
Sep first 14.9 Sep last 14.895 Sep. Now (ρ) 14.895"
Mag pri 11.27 Mag sec 13.50 delta mag (ΔM) 2.23 Spectral class F5V (yellow-white)
Pri motion ra -001 Sec motion ra -004
Pri motion dec +001 Sec motion dec -005
Notes
rPM=1.048
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3150-02849-1 Gaia DR2 2073910450197871872
 
 
WDS 20042+3851 ALI 915 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ali1949 Pa - Ali, A. 1949AJ.....54..199A
Ali1949 AJ 54, 199, 1949
Ali1950 Pa - Ali, A. 1950AJ.....55..209A
Ali1950 AJ 55, 208, 1950
Ali1952 Pa - Ali, A. 1952AJ.....57..146A
Ali1952 AJ 57, 146, 1952
Ali1955 Pa - Ali, A. .
Ali1955 Pub. Nizamiah Obs. 13, Pt. 2, 1955
Ali9999 Pa - Ali, A. ...................
Ali9999 +Po Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20042+3851 ALI 915 1998 3 198 14.8 11.27 13.50 D 200412.33+385052.0
20042+3851 ALI 915 2002 4 198 14.8 11.27 13.50 D 200412.33+385052.0
20042+3851 ALI 915 2010 5 198 14.8 11.27 13.50 F5V 200412.33+385052.0
20042+3851 ALI 915 2015 6 198 14.9 11.27 13.50 F5V 200412.33+385052.0

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

 
 
WDS 20042+3851 ALI 915 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20042+3851 ALI 915 : MEASURES
 
 
No records found.

 
 
WDS 20042+3851 : VIRTUAL EYEPIECE
 
 

20042+3851 ALI 915A mag 11.27 Sp F5V 20042+3851 ALI 915B sep 14.6 P.A. 194.00 mag 13.5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20042+3851 : ALADIN DSS IMAGE @ 20h 04m 12.33s +38° 50' 52.0"
 
 
 
 
WDS 20042+3851 ALI 915 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20042+3851 ALI 915 distance=0' 20040+3847 ALI 914AB distance=5' 20035+3837 COU2533 distance=9' 20052+3857 BU 1480 distance=13' 20048+3837 SEI 843 distance=16' 20057+3905 J 1072 distance=23' 20022+3849 ES 2044 distance=24' 20052+3829 BU 1481AB distance=25' 20052+3829 WAL 126AC distance=25' 20052+3829 LLO 21AD distance=25' 20052+3829 LLO 21AE distance=25' 20020+3840 A 1411AB distance=29' 20020+3840 A 1411AC distance=29' 20020+3840 A 1411AD distance=29' 20039+3822 SEI 835 distance=30' 20044+3820 TOR 20 distance=32' 20066+3836 BRT2229 distance=32' 20037+3820 HJ 1470 distance=32' 20060+3821 POP 185AB distance=34' 20060+3821 POP 185AC distance=34' 20060+3821 POP 185AD distance=34' 20060+3821 POP 185AE distance=34' 20060+3821 POP 185AG distance=34' 20035+3924 SEI 828AB distance=34' 20035+3924 SEI 829AC distance=34' 20060+3821 POP 185EF distance=35' 20041+3815 TOR 18 distance=37' 20022+3822 TDT1927 distance=38' 20034+3815 A 1412 distance=38' 20051+3814 COU2213 distance=38' 20076+3837 A 1416 distance=42' 20027+3928 SKF1765AB distance=42' 20011+3913 SEI 791 distance=43' 20033+3807 SEI 825 distance=46' 20038+3937 ALI1132 distance=47' 20056+3935 COU2535 distance=48' 20074+3819 POP 187 distance=49' 20001+3842 SEI 777 distance=50' 20082+3831 ALI 920 distance=52' 20025+3940 BRT2251 distance=53' 20012+3811 ALI 652 distance=54' 20082+3823 DAM 194 distance=55' 19595+3853 ALI 912 distance=56' 20042+3755 TOR 19 distance=56' 20044+3947 ALI1133 distance=57' 20089+3905 MLB 770 distance=57' 20069+3938 ES 1971 distance=58' 20081+3926 ES 1972 distance=58' 20088+3915 MLB 769 distance=60' 20091+3907 MLB 771 distance=60' 20059+3755 ES 2119BC distance=60' 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 20042+3851 ALI 915 198 14.9
Show 20040+3847 ALI 914 AB 230 14.8 5
Show 20035+3837 COU2533 102 1.0 9
Show 20052+3857 BU 1480 328 8.2 13
Show 20048+3837 SEI 843 132 13.3 16
Show 20057+3905 J 1072 252 4.1 23
Show 20022+3849 ES 2044 19 7.4 24
Show 20052+3829 BU 1481 AB 240 42.7 25
Show 20052+3829 WAL 126 AC 212 70.4 25
Show 20052+3829 LLO 21 AD 212 4.9 25
Show 20052+3829 LLO 21 AE 169 9.1 25
Show 20020+3840 A 1411 AB 204 1.3 29
Show 20020+3840 A 1411 AC 208 10.2 29
Show 20020+3840 A 1411 AD 116 22.7 29
Show 20039+3822 SEI 835 10 25.6 30
Show 20044+3820 TOR 20 158 17.3 32
Show 20066+3836 BRT2229 156 3.4 32
Show 20037+3820 HJ 1470 340 29.3 32
Show 20060+3821 POP 185 AB 125 43.5 34
Show 20060+3821 POP 185 AC 185 64.9 34
Show 20060+3821 POP 185 AD 62 128.5 34
Show 20060+3821 POP 185 AE 101 120.0 34
Show 20060+3821 POP 185 AG 293 19.1 34
Show 20035+3924 SEI 828 AB 85 19.8 34
Show 20035+3924 SEI 829 AC 262 22.7 34
Show 20060+3821 POP 185 EF 258 3.0 35
Show 20041+3815 TOR 18 116 13.2 37
Show 20022+3822 TDT1927 243 0.8 38
Show 20034+3815 A 1412 228 0.8 38
Show 20051+3814 COU2213 174 2.5 38
Show 20076+3837 A 1416 42 4.7 42
Show 20027+3928 SKF1765 AB 224 55.1 42
Show 20011+3913 SEI 791 59 5.6 43
Show 20033+3807 SEI 825 155 7.2 46
Show 20038+3937 ALI1132 229 7.8 47
Show 20056+3935 COU2535 135 2.0 48
Show 20074+3819 POP 187 90 5.3 49
Show 20001+3842 SEI 777 222 25.0 50
Show 20082+3831 ALI 920 149 14.0 52
Show 20025+3940 BRT2251 155 4.3 53
Show 20012+3811 ALI 652 55 9.4 54
Show 20082+3823 DAM 194 77 3.1 55
Show 19595+3853 ALI 912 206 10.4 56
Show 20042+3755 TOR 19 97 8.8 56
Show 20044+3947 ALI1133 346 13.1 57
Show 20089+3905 MLB 770 284 6.1 57
Show 20069+3938 ES 1971 291 3.3 58
Show 20081+3926 ES 1972 146 4.4 58
Show 20088+3915 MLB 769 131 4.9 60
Show 20091+3907 MLB 771 17 3.7 60
Show 20059+3755 ES 2119 BC 256 5.7 60

 
 
WDS 20042+3851 : COMPONENTS
 
 
  A
B pa=194.0°
sep=14.62"
 
 
20042+3851 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200412.33+385052.0 Mag 11.27 Spectral class F5V (yellow-white)
PmRA -1.00 PmDE 1.0 Tycho2 3150-02849-1
Tycho2
Tycho2 3150-02849-1 Pflag RAmdeg 301.05137833 DEmdeg 38.84778001
PmRA 0.0 PmDE 2.7 E RAmdeg 50 E DEmdeg 46
E pmRA 2.0 E pmDE 1.9 EpRAm 1982.55 EpDEm 1983.02
Num 5 Q RAmdeg 1.2 Q DEmdeg 0.7 Q pmRA 1.2
Q pmDE 0.7 BTmag 11.543 E BTmag 0.067 VTmag 11.272
E VTmag 0.088 Prox 999 TYC HIP
CCDM RAdeg 301.05137889 DEdeg 38.84777417 EpRA 1990 1.55
EpDE 1990 1.73 E RAdeg 52.7 E DEdeg 49.2 Posflg
Corr 0.1
 
 
20042+3851 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200412.03+385037.8 Mag 13.5 PmRA -4.00
PmDE -5.0 Calc delta mag 2.23 Calc coord yes