Cosmic Atlas object record

3eRASS J121649.6+222901

3eRASS J121649.6+222901, 3eRASSJ121649.6+222901

3eRASS J121649.6+222901 is a Cosmic Atlas object record of type xray_extended from eROSITA-DE DR2 extended sources. Its catalog position is right ascension 184.20699790358825 degrees and declination 22.483884566665033 degrees. Its catalog distance is 1286846226.806955 light-years. Its apparent magnitude is 9.848742036850423.

3eRASS J121649.6+222901
Type illustration; curated media not supplied
Object type
xray_extended
Constellation
Not supplied by the source catalog
Right ascension
184.20699790358825°
Declination
22.483884566665033°
Reference frame
eROSITA X-ray ICRS sky position transformed to heliocentric ecliptic Cartesian coordinates
Distance
1286846226.806955 ly
Distance kind
compiled_redshift_comoving
Uncertainty
[0.027,"Redshift compiled from SIMBAD via the eROSITA-DE DR2 LS10 counterpart catalog; the source documentation warns these values are not always reliable."]
Apparent magnitude
9.848742036850423
Catalog source
eROSITA-DE DR2 extended sources
Catalog identifier
erosita_dr2_extended
Source record type
erosita_dr2_extended
Catalog epoch
eRASS:3 catalog coordinates
Position epoch
Catalog sky position; no proper-motion propagation
Selection caveat
Redshift compiled from SIMBAD via the DR2 LS10 counterpart catalog; the source documentation warns these values are not always reliable. Western Galactic hemisphere only.
Cosmology
{"name":"flat LambdaCDM","parameters":"H0=67.66 km/s/Mpc, Omega_m=0.30966, Omega_lambda=0.69034; line-of-sight comoving distance"}

Provenance

Related objects

Data pipeline

Loading Cosmic Atlas

Starting the local ephemeris API.

0% Initializing 0.0s
  1. Connect to local API
  2. Load ephemeris payload
  3. Index catalog objects
  4. Prepare scientific map

JPL DE440s/Skyfield data, Horizons vectors, nearby-star catalog, and Messier catalog snapshot.

Scientific celestial atlas

Cosmic Atlas

loading
Scale

Heliocentric ecliptic plane

Zoom level 0 / 1000
1 px = ... View = ...