20122+1712 BPM 2054

20^h 12^m 09.41^s +17° 12' 05.3" P.A. 267.00 sep 31.2 mag 11.56,15.21

Coord 2000	20122+1712	Discov num	BPM2054	Comp		Coord arcsec 2000	20 12 09.41 +17 12 05.3
Date first	1992	Date last	2015	Obs	9
Pa first	267	Pa last	267	P.A. Now (θ)	267°
Sep first	31.4	Sep last	31.233	Sep. Now (ρ)	31.233"
Mag pri	11.56	Mag sec	15.21	delta mag (ΔM)	3.65	Spectral class
Pri motion ra	-024	Sec motion ra	-018
Pri motion dec	-018	Sec motion dec	-007
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.418

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagitta

Tycho2

1622-01974-1

Gaia DR2

1809575691553296512

351807

WDS 20122+1712 BPM 2054 : NOTES

discov_num	notes	refcode
BPM2054	[PM2000] 2214471 + [PM2000] 2214253.	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
20122+1712	BPM2054		1998	2	267	31.3	11.56	15.21		NV	201209.41+171205.3
20122+1712	BPM2054		2001	3	267	31.3	11.56	15.21		NV	201209.41+171205.3
20122+1712	BPM2054		2010	4	267	30.7	11.56	15.21		NV	201209.41+171205.3
20122+1712	BPM2054		2015	5	267	31.3	11.56	15.21		NV	201209.41+171205.3

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

WDS 20122+1712 BPM 2054 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20122+1712 BPM 2054 : MEASURES

No records found.

WDS 20122+1712 : VIRTUAL EYEPIECE

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

WDS 20122+1712 : ALADIN DSS IMAGE @ 20^h 12^m 09.41^s +17° 12' 05.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20122+1712 BPM 2054 : 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		20122+1712	BPM2054		267	31.2	1
Show		20131+1713	BPM2062		122	118.9	14
Show		20123+1650	BPM2056		137	25.4	22
Show		20106+1701	BPM2043		206	50.5	25
Show		20102+1723	BPM2042	CD	104	103.5	29
Show		20102+1723	BPM2041	BC	175	111.1	30
Show		20105+1655	BUP9008		222	84.5	30
Show		20102+1723	BPM2040	AB	78	72.5	31
Show		20097+1724	J 833		115	4.9	38
Show		20102+1646	BPMA241		355	169.0	39
Show		20143+1648	BPM2070		296	119.8	39
Show		20125+1634	BPM2057		233	73.3	39
Show		20107+1750	BPM2044		18	88.9	44
Show		20096+1648	STF2634	AB	13	4.1	45
Show		20096+1648	STF2634	AC	301	65.0	45
Show		20139+1751	BPM2067		214	113.1	47
Show		20130+1624	BPM2061		253	81.5	50
Show		20159+1714	KPP 465		12	3.7	54
Show	Sansuna	20127+1806	J 2303	AB	50	23.6	55
Show		20127+1806	J 2303	BC	322	4.5	56
Show		20091+1638	BPM2034		159	61.3	56
Show		20126+1616	BKO 529	BC	296	10.1	57
Show		20126+1616	CHE 67	AB	299	12.1	57
Show		20159+1655	GWP2932		14	15.0	57
Show		20081+1714	TDT2011		110	0.6	59
Show		20139+1806	BPMA242		194	288.2	60
Show		20108+1614	BKO 527		114	6.0	62
Show		20136+1613	CHE 214		334	26.9	63
Show		20111+1611	ENG 71	AB	148	212.3	63
Show		20111+1611	HZG 15	AD	255	35.3	63
Show		20111+1611	GIC 163	AE	95	103.8	63
Show		20111+1611	HLA 27	AF	326	7.8	63
Show		20134+1611	CHE 211		340	21.6	64
Show		20111+1611	BUP 205	BC	273	61.8	66
Show		20139+1611	BPM2066	BC	319	100.1	66
Show		20123+1607	CHE 189		84	18.1	66
Show		20139+1611	BPM2065	AB	37	72.8	67
Show		20146+1809	J 3064	BC	220	4.4	67
Show		20141+1612	CHE 223		82	8.5	67
Show		20146+1809	J 3064	AB	192	28.8	67
Show		20137+1609	STF2651	AB	279	0.9	67
Show		20137+1609	SHY 768	AC	84	999.9	67
Show		20076+1655	BRT1337	AB	223	5.2	67
Show		20076+1655	SLE 684	AC	279	28.2	67
Show		20076+1700	BPMA239		355	241.0	67
Show		20137+1608	CHE 216		290	25.9	67
Show		20138+1609	BKO 536		256	8.8	68
Show		20148+1616	CHE 237		219	21.8	68
Show		20149+1808	BPM2075		80	115.1	68
Show		20158+1628	BPM2080		65	82.7	69
Show		20144+1611	CHE 227		46	5.2	69

WDS 20122+1712 : COMPONENTS

	A
B	pa=266.9° sep=29.84"

20122+1712 A

Componente originario normalizzato	AB		Coord arcsec 2000	201209.41+171205.3		Mag	11.56		PmRA	-24.00
PmDE	-18.0		Tycho2	1622-01974-1		HD	351807

Tycho2

Tycho2	1622-01974-1	Pflag		RAmdeg	303.03916176	DEmdeg	17.20144538
PmRA	-22.6	PmDE	-17.0	E RAmdeg	45	E DEmdeg	46
E pmRA	1.6	E pmDE	1.6	EpRAm	1976.15	EpDEm	1974.79
Num	5	Q RAmdeg	1.4	Q DEmdeg	0.6	Q pmRA	1.4
Q pmDE	0.6	BTmag	12.176	E BTmag	0.165	VTmag	11.520
E VTmag	0.131	Prox	999	TYC		HIP
CCDM		RAdeg	303.03920972	DEdeg	17.20148167	EpRA 1990	1.56
EpDE 1990	1.48	E RAdeg	79.4	E DEdeg	82.0	Posflg
Corr	0.0

20122+1712 B

Componente originario normalizzato	AB		Coord arcsec 2000	201207.33+171203.7		Mag	15.21		PmRA	-18.00
PmDE	-7.0		Calc delta mag	3.65		Calc coord	yes