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Doubles in session


Current system
20440+2510
POU 4931


Nearby doubles
1' : 20439+2510
POU4930

7' : 20443+2504
POU4934

7' : 20436+2505
POU4924

9' : 20445+2514
POU4937

10' : 20436+2518
POU4923

12' : 20434+2500
POU4921

14' : 20432+2502
POU4914

14' : 20450+2510
POU4951

14' : 20448+2500
BRT3361

15' : 20437+2456
POU4927

16' : 20440+2525
POU4932

20' : 20426+2509
POU4904

21' : 20425+2508
POU4901

22' : 20455+2509
POU4959

22' : 20425+2503
TDT2485

23' : 20424+2506
POU4898AB

25' : 20455+2522
POU4957

26' : 20423+2457
POU4897

27' : 20433+2444
POU4917AB

27' : 20448+2444
POU4946AB

28' : 20420+2516
POU4890

28' : 20425+2451
POU4903

28' : 20420+2510
POU4888

28' : 20420+2501
POU4889

29' : 20434+2536
HO 138AB

29' : 20455+2450
POU4960



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Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20440+2510 POU 4931

 
 
20h 44m 00.34s +25° 09' 10.7" P.A. 300.00 sep 12.2 mag 11.37,14.50
 
 
Coord 2000 20440+2510 Discov num POU4931 Comp Coord arcsec 2000 20 44 00.34 +25 09 10.7
Date first 1899 Date last 2015 Obs 10
Pa first 302 Pa last 299.6 P.A. Now (θ) 299.6°
Sep first 11.6 Sep last 12.203 Sep. Now (ρ) 12.203"
Mag pri 11.37 Mag sec 14.50 delta mag (ΔM) 3.13 Spectral class
Pri motion ra -002 Sec motion ra +002
Pri motion dec +005 Sec motion dec +023
Notes
rPM=0.799
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Tycho2 2174-02664-1 Gaia DR2 1843561561593909888 HD 340970
 
 
WDS 20440+2510 POU 4931 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Pou1933 Pa - Pourteau, M. A. .
Pou1933 Cat. des etoiles doubles de la zone +24deg de la carte photog. du ciel, 1933
Pou1933 (Obs. de Paris, H. Tessier) [QB821.P7]
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20440+2510 POU4931 2000 2 300 12.2 11.37 14.50 D 204400.34+250910.7
20440+2510 POU4931 2008 3 296 12.1 11.37 14.50 D 204400.34+250910.7
20440+2510 POU4931 2015 6 300 12.2 11.37 14.50 204400.34+250910.7

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

 
 
WDS 20440+2510 POU 4931 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20440+2510 POU 4931 : MEASURES
 
 
No records found.

 
 
WDS 20440+2510 : VIRTUAL EYEPIECE
 
 

20440+2510 POU4931A mag 11.37 20440+2510 POU4931B sep 11.3 P.A. 302.10 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 20440+2510 : ALADIN DSS IMAGE @ 20h 44m 00.34s +25° 09' 10.7"
 
 
 
 
WDS 20440+2510 POU 4931 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20440+2510 POU4931 distance=0' 20439+2510 POU4930 distance=1' 20443+2504 POU4934 distance=7' 20436+2505 POU4924 distance=7' 20445+2514 POU4937 distance=9' 20436+2518 POU4923 distance=10' 20434+2500 POU4921 distance=12' 20432+2502 POU4914 distance=14' 20450+2510 POU4951 distance=14' 20448+2500 BRT3361 distance=14' 20437+2456 POU4927 distance=15' 20440+2525 POU4932 distance=16' 20426+2509 POU4904 distance=20' 20425+2508 POU4901 distance=21' 20455+2509 POU4959 distance=22' 20425+2503 TDT2485 distance=22' 20424+2506 POU4898AB distance=23' 20424+2506 POU4899AC distance=23' 20455+2522 POU4957 distance=25' 20423+2457 POU4897 distance=26' 20433+2444 POU4917AB distance=27' 20433+2444 POU4918AC distance=27' 20448+2444 POU4946AB distance=27' 20448+2444 POU4947AC distance=27' 20420+2516 POU4890 distance=28' 20425+2451 POU4903 distance=28' 20420+2510 POU4888 distance=28' 20420+2501 POU4889 distance=28' 20434+2536 HO 138AB distance=29' 20434+2536 HO 138AC distance=29' 20455+2450 POU4960 distance=29' 20438+2441 POU4926AB distance=30' 20438+2441 BKO 647AC distance=30' 20434+2536 HO 138CD distance=30' 20459+2456 POU4964 distance=30' 20418+2502 POU4880AB distance=31' 20418+2502 POU4880AC distance=31' 20462+2513 POU4972 distance=31' 20453+2444 POU4954 distance=31' 20416+2510 POU4875 distance=32' 20420+2452 POU4886AB distance=33' 20420+2452 POU4887AC distance=33' 20460+2453 POU4968 distance=33' 20464+2501 POU4976 distance=35' 20437+2436 POU4925 distance=35' 20465+2506 POU4980AB distance=35' 20465+2506 POU4979AC distance=35' 20415+2459 POU4874 distance=35' 20419+2448 POU4881 distance=36' 20462+2526 POU4974 distance=36' 20456+2442 AG 264 distance=36' 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 20440+2510 POU4931 300 12.2
Show 20439+2510 POU4930 163 8.6 1
Show 20443+2504 POU4934 332 4.9 7
Show 20436+2505 POU4924 61 6.0 7
Show 20445+2514 POU4937 276 6.5 9
Show 20436+2518 POU4923 309 15.5 10
Show 20434+2500 POU4921 72 4.1 12
Show 20432+2502 POU4914 88 10.8 14
Show 20450+2510 POU4951 52 5.2 14
Show 20448+2500 BRT3361 140 4.9 14
Show 20437+2456 POU4927 176 15.0 15
Show 20440+2525 POU4932 14 9.0 16
Show 20426+2509 POU4904 217 8.5 20
Show 20425+2508 POU4901 159 8.8 21
Show 20455+2509 POU4959 139 14.0 22
Show 20425+2503 TDT2485 215 2.8 22
Show 20424+2506 POU4898 AB 347 6.2 23
Show 20424+2506 POU4899 AC 318 19.1 23
Show 20455+2522 POU4957 293 20.0 25
Show 20423+2457 POU4897 185 9.5 26
Show 20433+2444 POU4917 AB 253 11.6 27
Show 20433+2444 POU4918 AC 208 16.6 27
Show 20448+2444 POU4946 AB 211 19.4 27
Show 20448+2444 POU4947 AC 193 28.5 27
Show 20420+2516 POU4890 222 10.6 28
Show 20425+2451 POU4903 126 8.5 28
Show 20420+2510 POU4888 353 17.2 28
Show 20420+2501 POU4889 13 14.6 28
Show 20434+2536 HO 138 AB 343 3.0 29
Show 20434+2536 HO 138 AC 304 127.9 29
Show 20455+2450 POU4960 143 6.2 29
Show 20438+2441 POU4926 AB 38 17.7 30
Show 20438+2441 BKO 647 AC 248 8.4 30
Show 20434+2536 HO 138 CD 6 3.5 30
Show 20459+2456 POU4964 154 13.9 30
Show 20418+2502 POU4880 AB 152 13.3 31
Show 20418+2502 POU4880 AC 128 11.9 31
Show 20462+2513 POU4972 279 13.8 31
Show 20453+2444 POU4954 203 17.6 31
Show 20416+2510 POU4875 126 5.0 32
Show 20420+2452 POU4886 AB 122 15.5 33
Show 20420+2452 POU4887 AC 113 28.7 33
Show 20460+2453 POU4968 27 9.0 33
Show 20464+2501 POU4976 224 17.0 35
Show 20437+2436 POU4925 10 13.9 35
Show 20465+2506 POU4980 AB 145 7.5 35
Show 20465+2506 POU4979 AC 105 13.1 35
Show 20415+2459 POU4874 198 8.8 35
Show 20419+2448 POU4881 211 10.4 36
Show 20462+2526 POU4974 106 17.3 36
Show 20456+2442 AG 264 359 1.9 36

 
 
WDS 20440+2510 : COMPONENTS
 
 
  A
B pa=302.1°
sep=11.34"
 
 
20440+2510 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204400.34+250910.7 Mag 11.37 PmRA -2.00
PmDE 5.0 Tycho2 2174-02664-1 HD 340970
Tycho2
Tycho2 2174-02664-1 Pflag RAmdeg 311.00143850 DEmdeg 25.15299926
PmRA -1.0 PmDE 6.5 E RAmdeg 43 E DEmdeg 47
E pmRA 1.6 E pmDE 1.6 EpRAm 1980.57 EpDEm 1977.91
Num 5 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.1 BTmag 11.768 E BTmag 0.081 VTmag 11.369
E VTmag 0.101 Prox 267 TYC HIP
CCDM RAdeg 311.00144917 DEdeg 25.15296611 EpRA 1990 1.68
EpDE 1990 1.56 E RAdeg 56.3 E DEdeg 68.0 Posflg
Corr 0.0
 
 
20440+2510 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204359.63+250916.7 Mag 14.5 PmRA 2.00
PmDE 23.0 Calc delta mag 3.13 Calc coord yes