Log-in to SkyMapper

Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 184980987 (SMSS J172113.07-201435.3)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)260.3045
Dec (deg)-20.2432
Galactic lon. (deg)4.3511
Galactic lat. (deg)9.3529
E(B-V) (SFD98) (mag)0.468
E(B-V) (GNILC) (mag)0.392 ± 0.017
Nearest DR4 source 2275599593 (4.8 arcs away)
2nd-nearest DR4 source 184980990 (7.4 arcs away)
3rd-nearest DR4 source 1218843013 (8.6 arcs away)
Times observed28
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 17.858 ± 0.031 17.241 ± 0.018 16.805 ± 0.019 16.595 ± 0.019
Petrosian mag. 17.693 ± 0.068 16.985 ± 0.042 16.579 ± 0.106 16.503 ± 0.076

2 x 2 arcmin

Image cutouts

See all image cutouts for this object here.
Images shown are the best images available from DR4, as determined by their coverage and approximate photometric zero-point.

Photometry measurements

Filter Image ID Magnitude (APC05) Flags Exp time (s) Image Quality
(1=best to 3)
g 20140626130919 17.862 ± 0.081 0,0 5 2
g 20140627130802 17.931 ± 0.088 0,0 5 2
g 20140719114131 17.932 ± 0.086 0,0 5 2
g 20180718115326 17.770 ± 0.040 3,0 100 2
g 20200224174822 17.8 ± 0.049 3,0 100 2
r 20140626130951 17.176 ± 0.060 0,0 5 2
r 20140627130827 17.251 ± 0.071 1,0 5 2
r 20140719114202 17.294 ± 0.076 1,0 5 2
r 20160420170109 17.252 ± 0.078 0,0 5 2
r 20180315174652 17.271 ± 0.066 1,0 5 2
r 20180718115528 17.177 ± 0.038 3,0 100 2
r 20180802115408 17.165 ± 0.042 3,0 100 2
r 20190822092953 17.162 ± 0.035 3,0 100 2
r 20210407183558 17.208 ± 0.083 0,0 5 2
i 20140626131016 16.779 ± 0.054 0,0 10 2
i 20140627130852 16.83 ± 0.059 0,0 10 2
i 20160420170134 16.754 ± 0.058 0,0 10 2
i 20180315174718 16.804 ± 0.057 1,0 10 2
i 20180718120132 16.734 ± 0.047 3,0 100 2
i 20190806103155 16.742 ± 0.040 19,0 100 2
i 20200524153441 16.844 ± 0.078 1,0 10 2
i 20210407183626 16.840 ± 0.068 0,0 10 2
z 20140626131048 16.563 ± 0.051 0,0 20 2
z 20140627130923 16.597 ± 0.060 0,0 20 2
z 20140719114300 16.588 ± 0.061 3,0 20 2
z 20160420170204 16.591 ± 0.058 0,0 20 2
z 20180315174748 16.562 ± 0.055 0,0 20 2
z 20180718120334 16.549 ± 0.048 3,0 100 2
z 20190806103356 16.540 ± 0.041 19,0 100 2
z 20210407183658 16.484 ± 0.066 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.2 1.72
GAIA source ID 4121949147031866624 4121949146984015488
Bp mag. 17.834 --
G mag. 17.267 19.144
Rp mag. 16.498 --
Bp/Rp excess 1.285 --
Parallax (mas) 0.360 ± 0.101 0.333 ± 0.339
PM RA (mas/yr) 0.653 ± 0.109 -3.916 ± 0.431
PM Dec (mas/yr) -10.107 ± 0.074 -5.116 ± 0.273
A.E.N. (mas) 0.0 ± 0.0 0.557 ± 0.828

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 17.937 ± 0.003
r 17.235 ± 0.002
i 16.872 ± 0.003
z 16.692 ± 0.003
Y -- ± --
J 15.582 ± 0.007
H -- ± --
K 14.987 ± 0.014
W1 14.549 ± 0.019
W2 14.749 ± 0.03
W3 -- ± --
W4 -- ± --
1Magnitude sources
FUV/NUV: AB mag (calibrated) from GALEX
ugriz: AB mag (Kron) from NOAO Source Catalog
YJHK: Vega mag from VISTA (2" aperture) or 2MASS PSC
W1-W4: Vega mag from CatWISE2020 or AllWISE (profile mag). No error value means the stated value is an upper limit.