21315+1744 BPM 2387

21^h 31^m 29.06^s +17° 44' 06.2" P.A. 336.00 sep 115.5 mag 13.77,15.67

Coord 2000	21315+1744	Discov num	BPM2387	Comp		Coord arcsec 2000	21 31 29.06 +17 44 06.2
Date first	1995	Date last	2015	Obs	8
Pa first	336	Pa last	335.7	P.A. Now (θ)	335.7°
Sep first	115.6	Sep last	115.495	Sep. Now (ρ)	115.495"
Mag pri	13.77	Mag sec	15.67	delta mag (ΔM)	1.9	Spectral class
Pri motion ra	-011	Sec motion ra	-013
Pri motion dec	-012	Sec motion dec	-014
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.148 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Pegasus

Gaia DR2

1785961583383446144

WDS 21315+1744 BPM 2387 : NOTES

discov_num	notes	refcode
BPM2387	[PM2000] 2508419 + [PM2000] 2508303.	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
21315+1744	BPM2387		1998	2	336	115.5	13.75	15.93		NV	213129.06+174406.2
21315+1744	BPM2387		2001	3	336	115.7	13.75	15.93		NV	213129.06+174406.2
21315+1744	BPM2387		2010	4	336	115.1	13.77	15.67		NV	213129.06+174406.2
21315+1744	BPM2387		2015	5	336	115.5	13.77	15.67		NV	213129.06+174406.2

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

WDS 21315+1744 BPM 2387 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21315+1744 BPM 2387 : MEASURES

No records found.

WDS 21315+1744 : VIRTUAL EYEPIECE

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WDS 21315+1744 : ALADIN DSS IMAGE @ 21^h 31^m 29.06^s +17° 44' 06.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21315+1744 BPM 2387 : NEIGHBORHOODS

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

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		21315+1744	BPM2387		336	115.5
Show		21321+1740	BPM2388		300	79.1	11
Show		21322+1731	BPM2389		318	95.2	18
Show		21327+1748	GWP3071		243	18.6	19
Show		21296+1739	TSN 198		194	0.0	28
Show		21330+1722	CVR 248		80	114.8	32
Show		21297+1719	COU 535		37	0.8	37
Show		21290+1800	CVR 904		186	26.8	40
Show		21287+1810	HU 490	AB	316	0.4	47
Show		21287+1810	B 2896	AC	26	3.8	47
Show		21281+1754	RAO 456		103	0.1	50
Show		21329+1658	RAO 459		317	0.5	51
Show		21344+1816	BPM2393		24	94.5	53
Show		21278+1726	NSN 745		341	4.2	56
Show		21356+1731	BPM2398		96	82.6	60
Show		21323+1848	BRT2497		187	1.8	65
Show		21359+1723	BPM2399		230	92.5	67
Show		21347+1654	UC 4500		226	15.6	69
Show		21339+1642	CVR 908		340	15.5	72
Show		21301+1629	BPM2381		113	76.0	78
Show		21274+1837	BRT2495		64	3.0	79
Show		21339+1625	BPM2392		265	26.1	87
Show		21287+1627	BPM2378		30	57.5	87
Show		21290+1906	J 579		182	3.7	90
Show		21252+1742	BPM2372		24	99.6	90
Show		21251+1740	BPM2371		299	82.6	92
Show		21328+1612	HEI 80		161	0.1	96
Show		21353+1624	HEI 81		327	2.9	97
Show		21248+1804	FMR 235		287	8.0	97
Show		21293+1611	BPM2379		89	104.6	99
Show		21252+1828	COU 430	AB	229	0.8	101
Show		21252+1828	ARY 70	AC	98	63.0	101
Show		21363+1627	HDS3076		264	0.3	104
Show		21275+1618	UC 261	BC	151	48.3	104
Show		21368+1858	TDT3062		151	0.6	106
Show		21284+1924	CVR 247		263	79.8	110
Show		21349+1923	TDT3041		350	0.8	111
Show		21362+1912	TDT3052		197	1.7	111
Show		21324+1553	BPM2390		145	107.9	112
Show		21247+1647	TDT2949		115	0.5	114
Show		21242+1659	GWP3056		305	12.3	115
Show		21337+1554	BPM2391		283	54.9	115
Show		21235+1728	COU 428		137	0.9	116
Show		21266+1611	BPM2375		32	102.5	117
Show		21236+1717	HU 369		16	1.0	117
Show		21368+1915	BRT2498		268	5.0	118
Show		21344+1552	J 285		72	2.5	121
Show		21346+1551	BPM2394		357	99.4	122
Show		21384+1858	TDT3075		250	1.0	123
Show		21234+1838	GRV 459		216	24.4	128
Show		21385+1902	TDT3077	AB	294	0.4	128

WDS 21315+1744 : COMPONENTS

	A
B	pa=336.7° sep=114.58"

21315+1744 A

Componente originario normalizzato	AB		Coord arcsec 2000	213129.06+174406.2		Mag	13.77		PmRA	-11.00
PmDE	-12.0

21315+1744 B

Componente originario normalizzato	AB		Coord arcsec 2000	213125.89+174551.5		Mag	15.67		PmRA	-13.00
PmDE	-14.0		Calc delta mag	1.9		Calc coord	yes