18521+1049 GMC 16

18^h 52^m 05.78^s +10° 49' 12.6" P.A. 121.00 sep 5.2 mag 15.50,16.40 Sp K4V+K6V

Coord 2000	18521+1049	Discov num	GMC 16	Comp		Coord arcsec 2000	18 52 05.78 +10 49 12.6
Date first	1950	Date last	2015	Obs	5
Pa first	124	Pa last	121.2	P.A. Now (θ)	121.2°
Sep first	5.4	Sep last	5.174	Sep. Now (ρ)	5.174"
Mag pri	15.50	Mag sec	16.40	delta mag (ΔM)	0.9	Spectral class	K4V+K6V (yellow-orange/yellow-orange)
Pri motion ra	-005	Sec motion ra	-002
Pri motion dec	-018	Sec motion dec	-011
Notes	V (Proper motion indicates physical)

rPM=0.408

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Aquila

Gaia DR2

4312000212928321408

WDS 18521+1049 GMC 16 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
GMc2011	C u	Micello, G.	2011JDSO....7...37M
GMc2011		JDSO 7, 37, 2011
GMc2011b	C w	Preti, L. & Micello, G.	2011JDSO....7..144P
GMc2011b		JDSO 7, 144, 2011
GMc2012	C u	Micello, G.	2012JDSO....8...28M
GMc2012		JDSO 8, 28, 2012
GMc2012b	P j	Micello, G.	.
GMc2012b	+C	Il Bollettino Delle Stelle Doppie 2, 14, 2012
GMc2012c	P+ w	Micello, G.	2012OED.....9..117M
GMc2012c	+E2	El Observador de Estrellas Dobles, Issue #9, 117, 2012
GMc2012d	C j	Adigrat, A. & Micello, G.	.
GMc2012d	+M	Il Bollettino Delle Stelle Doppie 2, 21, 2012
GMc2012e	C u	Micello, G.	2012JDSO....8..193M
GMc2012e		JDSO 8, 193, 2012
GMc2012f	P+ j	Micello, G.	.
GMc2012f	+C	Il Bollettino Delle Stelle Doppie 1, 14, 2012
GMc2012g	C u	Micello, G.	...................
GMc2012g		Webb Soc., Double Star Circ. 20, 2012
GMc2012h	M j	Micello, G.	.
GMc2012h		Il Bollettino Delle Stelle Doppie 2, 26, 2012
GMc2012i	P -	Micello, G.	.
GMc2012i		Il Bollettino Delle Stelle Doppie 3, 13, 2012
GMc2013	C j	Micello, G.	.
GMc2013		Il Bollettino Delle Stelle Doppie 4, 18, 2013
GMc2013b	P -	Micello, G.	.
GMc2013b		Il Bollettino Delle Stelle Doppie 5, 5, 2013
GMc2013c	C j	Micello, G.	.
GMc2013c		Il Bollettino Delle Stelle Doppie 6, 23, 2013
GMc2013c		(Date corrected from 2012.829 to 2012.892 before conversion to Julian epoch)
GMc2013d	C -	Micello, G.	.
GMc2013d	+P	Il Bollettino Delle Stelle Doppie 7, 9, 2013
GMc2014	C j	Micello, G.	.
GMc2014		Il Bollettino Delle Stelle Doppie 8, 21, 2014
GMc2016	C -	Micello, G.	.
GMc2016	+orb	Il Bollettino Delle Stelle Doppie 17, 5, 2016
GMc2019	C j	Micello, G.	.
GMc2019		Il Bollettino Delle Stelle Doppie 28, 15, 2019

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18521+1049	GMC 16		1990	2	122	5.3	15.50	16.40	K4V+K6V	V	185205.78+104912.6
18521+1049	GMC 16		1999	3	121	5.2	15.50	16.40	K4V+K6V	V	185205.78+104912.6
18521+1049	GMC 16		2001	4	119	5.0	15.50	16.40	K4V+K6V	V	185205.78+104912.6
18521+1049	GMC 16		2010	5	125	4.5	15.50	16.40	K4V+K6V	V	185205.78+104912.6
18521+1049	GMC 16		2015	5	121	5.2	15.50	16.40	K4V+K6V	V	185205.78+104912.6

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

WDS 18521+1049 GMC 16 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18521+1049 GMC 16 : MEASURES

No records found.

WDS 18521+1049 : VIRTUAL EYEPIECE

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WDS 18521+1049 : ALADIN DSS IMAGE @ 18^h 52^m 05.78^s +10° 49' 12.6"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18521+1049 GMC 16 : 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		18521+1049	GMC 16		121	5.2	1
Show		18520+1047	STF2408		90	2.3	4
Show		18510+1041	BPM 869		237	83.3	18
Show		18533+1037	RAS 10		137	0.0	21
Show		18508+1059	STF2404		180	3.6	22
Show		18509+1107	BPM 866		64	92.2	25
Show		18509+1108	HEI9011		225	9.9	26
Show		18509+1109	BRT1312		146	3.1	27
Show		18513+1022	SMA 82		244	13.9	30
Show		18515+1019	HJ 870	AB	219	11.6	31
Show		18515+1019	HJ 870	AC	248	65.8	31
Show		18515+1019	BU 1464	CD	23	22.0	32
Show		18497+1041	STF2402		208	1.5	36
Show		18497+1038	BPM 851		221	85.7	38
Show		18516+1126	DAM 124		122	9.4	38
Show		18495+1048	DAM 270		149	6.5	39
Show		18550+1058	VYS 8		48	3.6	43
Show		18511+1129	J 2533		250	1.8	44
Show		18512+1130	J 2534		57	2.2	44
Show		18544+1118	HJ 1353		207	8.4	44
Show		18516+1136	DAM 125		324	9.0	48
Show		18530+1137	HU 258		217	2.5	50
Show		18502+1131	BU 265		227	1.5	51
Show		18550+1119	BPM 885		283	77.8	52
Show		18485+1045	STF2396	CD	110	105.8	53
Show		18485+1045	STF2396	AB	337	82.0	54
Show		18485+1045	STF2396	AC	5	203.2	54
Show		18485+1045	STF2396	AD	35	203.7	54
Show		18485+1045	HLA 15	AE	50	10.0	54
Show		18554+1118	SRW 7	AB	24	26.4	57
Show		18554+1118	SRW 7	AC	322	29.1	57
Show		18554+1118	SRW 7	BC	267	28.6	57
Show		18482+1039	STT 362	AB	340	7.7	58
Show		18482+1039	STT 362	AC	105	12.0	58
Show		18521+1148	HU 199		345	0.9	59
Show		18559+1104	J 471		297	5.5	59
Show		18511+0949	J 2927	AB	304	3.1	63
Show		18511+0949	DAM 123	AC	143	5.5	63
Show		18487+1126	GWP2799		121	65.9	63
Show		18550+1136	BPM 886		289	109.9	64
Show		18560+1119	J 1277		57	1.9	66
Show		18479+1110	STTA174		159	104.6	66
Show		18517+1156	BRT1313		8	4.0	68
Show		18497+1147	BPM 850		168	100.5	68
Show		18477+1029	BRT1310		21	3.9	68
Show		18493+1144	BPM 843		266	34.9	69
Show		18478+1022	TDT1058		212	0.4	70
Show		18510+0942	TDT1084		6	0.5	70
Show		18487+1137	BPM 837		80	92.1	70
Show		18545+1149	BPM 883		4	90.8	70
Show		18565+1020	HEI 565		96	0.9	71

WDS 18521+1049 : COMPONENTS

	A
B	pa=121.7° sep=5.11"

18521+1049 A

Componente originario normalizzato	AB		Coord arcsec 2000	185205.78+104912.6		Mag	15.5		Spectral class	K4V (yellow-orange)
PmRA	-5.00		PmDE	-18.0

18521+1049 B

Componente originario normalizzato	AB		Coord arcsec 2000	185206.08+104909.9		Mag	16.4		Spectral class	K6V (yellow-orange)
PmRA	-2.00		PmDE	-11.0		Calc delta mag	0.9		Calc coord	yes