21044+1625 BPM 2317

21^h 04^m 25.46^s +16° 25' 17.1" P.A. 186.00 sep 91.4 mag 11.33,12.10

Coord 2000	21044+1625	Discov num	BPM2317	Comp		Coord arcsec 2000	21 04 25.46 +16 25 17.1
Date first	1978	Date last	2015	Obs	9
Pa first	187	Pa last	186.3	P.A. Now (θ)	186.3°
Sep first	91.3	Sep last	91.442	Sep. Now (ρ)	91.442"
Mag pri	11.33	Mag sec	12.10	delta mag (ΔM)	0.77	Spectral class
Pri motion ra	+018	Sec motion ra	+018
Pri motion dec	-005	Sec motion dec	-004
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.054 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Tycho2

1649-02572-1

Gaia DR2

1763819927461508992

WDS 21044+1625 BPM 2317 : NOTES

discov_num	notes	refcode
BPM2317	[PM2000] 2447442 + [PM2000] 2447410.	Gvr2010

REFERENCES

refcode	metd	author	reference
Gvr2010	Pa -	Gavras, P. Sinachopoulos, D., Le Campion, J.F., & Cucourant, C.	2010A&A...521A 4G
Gvr2010	+T	A&A 521, A4, 2010
Gvr2010		(Note: mean measures from AC2000.2, CdC2000, USNO-A2.0, Yellow Sky, and M2000
Gvr2010		catalogs, spanning years ~1900-2000)

DISCOVERER

idgroup	discov	author
1	BPM	Bordeaux PM2000 catalogue (main catalog: separation < 2')

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21044+1625	BPM2317		1998	2	186	91.5	11.33	12.32		NV	210425.46+162517.1
21044+1625	BPM2317		2001	3	186	91.5	11.33	12.32		NV	210425.46+162517.1
21044+1625	BPM2317		2010	5	186	91.5	11.33	12.10		NV	210425.46+162517.1
21044+1625	BPM2317		2015	6	186	91.4	11.33	12.10		NV	210425.46+162517.1

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

WDS 21044+1625 BPM 2317 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21044+1625 BPM 2317 : MEASURES

No records found.

WDS 21044+1625 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 21044+1625 : ALADIN DSS IMAGE @ 21^h 04^m 25.46^s +16° 25' 17.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21044+1625 BPM 2317 : NEIGHBORHOODS

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		21044+1625	BPM2317		186	91.4	1
Show		21042+1558	BPM2316		216	35.5	28
Show		21052+1600	SLW1230		207	13.6	28
Show		21033+1655	J 284		236	2.7	34
Show		21025+1606	BPM2313		221	94.0	34
Show		21049+1549	BPM2320		23	67.8	38
Show		21017+1652	BPM2312	BC	68	82.7	46
Show		21017+1652	BPM2311	AB	110	113.7	48
Show		21041+1712	GWP3033		36	12.1	48
Show		21071+1558	BPM2328		358	88.6	48
Show		21029+1708	BPMA250		39	202.4	49
Show		21079+1656	UC 4385		334	56.4	59
Show		21084+1605	CVR 888		204	19.8	61
Show		21030+1529	BPM2314		2	72.5	61
Show		21009+1552	BPM2310		143	95.9	61
Show		21007+1547	SLW1228		262	14.9	67
Show		20598+1649	STTA213		36	70.9	71
Show		20596+1642	TDT2679		61	0.6	72
Show		20594+1614	BPM2307		316	48.9	73
Show		21072+1524	HJ 275		336	22.4	73
Show		21088+1709	TDT2783		327	1.1	76
Show		21034+1508	BPM2315		276	68.2	79
Show		21048+1506	BPM2319		158	83.0	80
Show		21089+1715	HEI 185		35	0.1	80
Show		21087+1717	HEI 184		62	2.9	80
Show		21099+1648	BPM2335		54	14.9	82
Show		20585+1626	STF2738	AB	254	15.0	85
Show		20585+1626	STF2738	AC	104	209.4	85
Show		20585+1626	STF2738	BC	102	222.7	85
Show		20595+1712	GRV 400		197	58.7	86
Show		21056+1749	J 797		214	4.1	87
Show		20585+1607	J 3118		73	5.7	88
Show		20588+1701	BPM2305		249	73.9	88
Show		20593+1534	STT 424	AB	307	0.5	91
Show		20593+1534	STT 424	AC	305	33.9	91
Show		20593+1534	WAL 133	AB,D	206	83.7	91
Show		21094+1721	STF2763	BC	227	30.2	91
Show		21094+1721	STF2763	AB	293	17.1	91
Show		21106+1650	HU 367		339	0.3	92
Show		21070+1500	BPM2327		318	38.3	93
Show		21109+1615	SMA 133		333	11.6	94
Show		21080+1748	LDS4865		106	147.9	98
Show		20583+1542	JNN 154	AC	216	10.5	99
Show		21035+1446	UC 4367		339	47.5	100
Show		20599+1741	KPP1329		129	10.1	100
Show		21111+1659	KPP 486		334	3.9	102
Show		21013+1757	BOY 11		94	0.3	103
Show		21108+1539	SMA 132		351	5.3	103
Show		21111+1704	HEI 187		255	1.2	104
Show		21056+1443	HEI 78	AB	235	1.7	104
Show		21056+1443	HEI 78	AC	169	49.8	104

WDS 21044+1625 : COMPONENTS

	A
B	pa=186.0° sep=91.40"

21044+1625 A

Componente originario normalizzato	AB		Coord arcsec 2000	210425.46+162517.1		Mag	11.33		PmRA	18.00
PmDE	-5.0		Tycho2	1649-02572-1

Tycho2

Tycho2	1649-02572-1	Pflag		RAmdeg	316.10611395	DEmdeg	16.42143447
PmRA	18.0	PmDE	-6.1	E RAmdeg	38	E DEmdeg	50
E pmRA	1.3	E pmDE	1.3	EpRAm	1979.56	EpDEm	1966.79
Num	5	Q RAmdeg	1.4	Q DEmdeg	1.8	Q pmRA	1.4
Q pmDE	1.8	BTmag	11.730	E BTmag	0.077	VTmag	11.129
E VTmag	0.081	Prox	917	TYC	T	HIP
CCDM		RAdeg	316.10607056	DEdeg	16.42144972	EpRA 1990	1.66
EpDE 1990	1.32	E RAdeg	41.1	E DEdeg	58.5	Posflg
Corr	0.1

21044+1625 B

Componente originario normalizzato	AB		Coord arcsec 2000	210424.79+162346.2		Mag	12.1		PmRA	18.00
PmDE	-4.0		Tycho2	1649-02486-1		Calc delta mag	0.77		Calc coord	yes

Tycho2

Tycho2	1649-02486-1	Pflag		RAmdeg	316.10326502	DEmdeg	16.39610379
PmRA	22.2	PmDE	-9.9	E RAmdeg	72	E DEmdeg	85
E pmRA	1.7	E pmDE	1.9	EpRAm	1960.13	EpDEm	1945.45
Num	5	Q RAmdeg	1.5	Q DEmdeg	2.0	Q pmRA	1.5
Q pmDE	2.1	BTmag	12.691	E BTmag	0.243	VTmag	12.508
E VTmag	0.233	Prox	917	TYC		HIP
CCDM		RAdeg	316.10321111	DEdeg	16.39612917	EpRA 1990	1.62
EpDE 1990	1.35	E RAdeg	90.0	E DEdeg	123.0	Posflg
Corr	0.1