20031+0213 BAL 1541

20^h 03^m 05.17^s +02° 12' 39.9" P.A. 29.00 sep 8.8 mag 11.98,12.70

Coord 2000	20031+0213	Discov num	BAL1541	Comp		Coord arcsec 2000	20 03 05.17 +02 12 39.9
Date first	1909	Date last	2015	Obs	8
Pa first	37	Pa last	28.5	P.A. Now (θ)	28.5°
Sep first	11.6	Sep last	8.755	Sep. Now (ρ)	8.755"
Mag pri	11.98	Mag sec	12.70	delta mag (ΔM)	0.72	Spectral class
Pri motion ra	+010	Sec motion ra	-002
Pri motion dec	-013	Sec motion dec	-020
Notes

rPM=0.691

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquila

Gaia DR2

4237878320131649408

WDS 20031+0213 BAL 1541 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Bal1924	Ma -	Baillaud, R.	1924JO......7..117B
Bal1924		J. Obs. 7, 117, 1924
Bal1925	Ma -	Baillaud, R.	1925JO......8...53B
Bal1925		J. Obs. 8, 53, 1925
Bal1925b	Ma j	Baillaud, R.	1925JO......8...56B
Bal1925b		J. Obs. 8, 56, 1925
Bal1926	Ma -	Baillaud, R.	1926JO......9..129P
Bal1926		J. Obs. 9, 129, 1926
Bal1937A	Ma -	Baillaud, R.	1937AnLei..18....1S
Bal1937A		cited by Strand (Ann. Sterrew. Leiden 18, 1937)
Bal1944	C -	Baillaud, R.	1944AnBes...3...33B
Bal1944	+Pa	Ann. Obs. Besancon New Ser. 3, 33, 1943
Bal1944	+Po

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20031+0213	BAL1541		1909	1	37	11.6	11.98	12.70			200305.17+021239.9
20031+0213	BAL1541		2000	2	30	9.1	11.98	12.70			200305.17+021239.9
20031+0213	BAL1541		2010	4	28	8.8	11.98	12.70			200305.17+021239.9
20031+0213	BAL1541		2015	5	29	8.8	11.98	12.70			200305.17+021239.9

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WDS 20031+0213 BAL 1541 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20031+0213 BAL 1541 : MEASURES

No records found.

WDS 20031+0213 : VIRTUAL EYEPIECE

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

WDS 20031+0213 : ALADIN DSS IMAGE @ 20^h 03^m 05.17^s +02° 12' 39.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20031+0213 BAL 1541 : 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		20031+0213	BAL1541		29	8.8
Show		20025+0232	BAL2014		35	11.6	21
Show		20026+0148	DAM 384	AB	350	14.9	26
Show		20026+0148	DAM 384	AC	343	5.4	26
Show		20025+0149	HJ 5510		28	10.9	26
Show		20035+0147	BAL1542		236	10.2	26
Show		20023+0147	DAM 383		103	5.2	29
Show		20020+0257	HEI 818		24	2.1	47
Show		20061+0159	HLD 156		255	1.3	48
Show		20064+0225	UC 4085		155	39.4	52
Show		20066+0207	HJ 902		17	7.1	53
Show		20068+0157	A 2278	AB	214	0.9	59
Show		20068+0157	A 2278	AC	355	22.5	59
Show		20012+0120	A 2275		146	0.4	60
Show		20004+0303	J 2567	BC	295	2.2	60
Show		20004+0303	J 2567	AB	158	81.0	62
Show		20018+0311	HJ 2920		165	7.4	62
Show		20042+0312	TDT1949		272	0.5	63
Show		20018+0110	A 2276		59	3.8	66
Show		20052+0114	UC 4078		82	48.3	67
Show		19589+0149	HJ 2914		209	13.5	67
Show		20048+0109	TOK 699		267	0.2	69
Show		20065+0305	BAL2015		346	12.4	74
Show		20060+0102	TDS1041		257	1.2	83
Show		19580+0142	BAL1538		214	16.6	84
Show		20022+0049	BAL1211		80	12.1	86
Show		20056+0330	NSN 728		127	8.0	86
Show		20087+0227	UC 4099		280	61.1	87
Show		20032+0042	HDO 316	AB	143	4.5	91
Show		20032+0042	HDO 316	AC	189	16.4	91
Show		19571+0207	LDS1031		246	8.5	92
Show		19577+0259	A 2392		154	2.0	94
Show		19568+0155	A 2391	AB	1	0.3	96
Show		19568+0155	STF2601	AB,C	162	7.1	96
Show		20015+0040	HDO 315		203	8.7	96
Show		20027-0036	HJ 2921		341	21.7	97
Show		20001+0338	A 2393		6	0.1	97
Show		19574+0128	J 1870		283	7.7	97
Show		19573+0256	J 2600		56	1.5	98
Show		20090+0127	BAL1544		143	6.6	100
Show		20075+0057	UC 4090		233	21.3	101
Show		20077+0327	HJ 2930		156	28.3	104
Show		19593+0044	BAL1209	AB	218	12.5	106
Show		20102+0204	HJ 2933		26	21.7	107
Show		20096+0132	TDT2036		76	0.5	107
Show		20053+0027	HJ 2927	AB	124	23.6	111
Show		20103+0149	BAL1545		345	15.3	111
Show		20053+0027	BU 1482	BC	178	3.8	112
Show		20105+0212	UC 4111		272	32.7	112
Show		20083+0052	BAL1213		330	5.5	114
Show		20041+0404	J 2296		283	8.8	114

WDS 20031+0213 : COMPONENTS

	A
B	pa=28.5° sep=8.75"

20031+0213 A

Componente originario normalizzato	AB		Coord arcsec 2000	200305.17+021239.9		Mag	11.98		PmRA	10.00
PmDE	-13.0

20031+0213 B

Componente originario normalizzato	AB		Coord arcsec 2000	200305.45+021247.6		Mag	12.7		PmRA	-2.00
PmDE	-20.0		Calc delta mag	0.72		Calc coord	yes