Journal article
Detection of a cosmic microwave background decrement toward the z=3.8 quasar pair PC 1643+4631A, B
- Abstract:
-
In a 15 GHz Ryle Telescope observation of PC 1643+4631A, B, a pair of quasars at redshifts z = 3.79 and 3.83 separated by 198″ on the sky, we find a decrement in the cosmic microwave background (CMB) of -380 ± 64 μJy in a 110″ × 175″ beam. Assuming this to be a Sunyaev-Zeldovich effect due to an intervening cluster, the minimum magnitude of the central temperature decrement is 560 μK. A serendipitous ROSAT observation shows that there is no X-ray-luminous cluster in the direction of the decre...
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- Publication status:
- Published
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- Publisher copy:
- 10.1086/310564
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Bibliographic Details
- Publisher:
- Institute of Physics Publishing
- Journal:
- ASTROPHYSICAL JOURNAL
- Volume:
- 479
- Issue:
- 1
- Pages:
- L1-L3
- Publication date:
- 1997-04-10
- DOI:
- EISSN:
-
1538-4357
- ISSN:
-
0004-637X
- Source identifiers:
-
163393
Item Description
- Language:
- English
- Keywords:
- Pubs id:
-
pubs:163393
- UUID:
-
uuid:c67f6d32-f9c8-4ec1-86b8-7ad185da5b75
- Local pid:
- pubs:163393
- Deposit date:
- 2012-12-19
Terms of use
- Copyright date:
- 1997
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