Supernova Remnant G074.9+01.2
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Processed JPG
multiwavelength G074.9+01.2_RXZ_GAL_axes.jpg Size: 903.29 KB
radio G074.9+01.2_R_GAL_axes.jpg Size: 38.87 KB
keV G074.9+01.2_X_GAL_axes.jpg Size: 49.52 KB
keV G074.9+01.2_Z_GAL_axes.jpg Size: 49.36 KB
Unprocessed FITS
keV G074.9+01.2_2.42e+17_CHAN.fits Size: 15.46 MBradio G074.9+01.2_1.42E09_DRAO.fits Size: 995.63 KB
Description
Identification
- Id: G074.9+01.2
- Unique ID: G074.9+01.2
- Previous IDs:
- Other Names: CTB 87
- Supernova Event:
- Supernova Event Reference
Location
- J2000 R.a.: 20:16:02
- J2000 Dec.: 37:12:00
- J2000 From: Green J coord
- Constellation: Cyg
Environment
- Context: contains PWN G74.94+1.11 and PSR candidate CXOU J201609.2+371110, close to (unrelated) cataclysmic variable RX J2015.6+3711 and blazar B2013+370
- Cloud Interaction: possible
- Cloud Interaction Reference
Age
- Shell: 4000 - 28000 yr
- Pulsar:
- Age Reference
Distance
- Shell: 6.1 - 7 kpc
- Pulsar:
- Distance Reference
Properties
- Radio Index:
- Radio Size: 8'x6'
- X-ray Size: 3.3'x5'
- Type: filled-centre
- Type Reference
- Magnetic Field: radial ?
- Magnetic Field Reference
High-energy observations
| ID | Energy | Instrument | Resolution | Source Of Emission | Last Record | Published Papers | Web Pages |
|---|---|---|---|---|---|---|---|
| VER J2016+371 (prev. VER J2016+372) | TeV | VERITAS | detected | PWN? | 2018 | 2018ApJ...861..134A 2013arXiv1307.5003O 2011ICRC....7..228A |
|
| 3FHL J2015.9+3712 2FHL J2016.2+3713 2FGL J2015.6+3709 |
GeV | Fermi | detected | shell? PWN? | 2025 | 2025arXiv250203794X 2018ApJ...861..134A 2017ApJS..232...18A 2016MNRAS.460.3563S 2016ApJS..224....8A 2016ApJS..222....5A 2015ApJS..218...23A 2012ApJS..199...31N |
|
| 3EG J2016+3657 | GeV | EGRET | missed | (source not confirmed in revised catalogue) | 2008 | 2008A&A...489..849C 2004AdSpR..33..450T 2003PhR...382..303T 1999A&A...348..868R |
|
| keV | XMM-Newton | extended | PWN | 2019 | 2020MNRAS.491.3013G | ||
| keV | Ginga | detected | ? | 1990 | 1990PASJ...42..625A | ||
| keV | Einstein | extended | PWN? probably also unrelated source | 1990 | 1990ApJS...73..781S 1980ApJ...241L..19W |
||
| CXOU J201609.2+371110 | keV | Chandra | extended | PWN, PSR? | 2013 | 2013ApJ...774...33M 2011AAS...21822808S |
|
| G74.9+1.2 | keV | ASCA | extended | PWN | 2011 | 2011AAS...21822808S | http://www.astro.columbia.edu/~eric/atlas/asca/snrs/G74.9+1.2/G74.9+1.2.html |
External Resources
Green CatalogueCATS Database
Data as of 2025-03-02 - Web site version 2.0