Exposure
- ID
- GRAVI.2021-03-29T08:37:31.321_2
- Header ID
- GRAVI.2021-03-29T08:37:31.321
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-29 08:50:22 UTC+0000
- UTC Start
- 2021-03-29 08:37:31.321
- UTC End
- 2021-03-29 08:42:51.321
- MJD Start
- 59302.35939029
- MJD End
- 59302.3630939937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0057875
- Ambient temperature (°C)
- 11.61
- Seeing (arcsec)
- 0.49
Observation
- ID
- 47323
- Category
- science
- Program ID
- 106.20XY.001
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ KERVELLA/ OTT/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ HABIBI/ HENNING/ PAUMARD/ PERRIN/ HORROBIN/ CL\XC3\XA9NET
Target
- ID
- 35487
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076493888889
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4990 | 56.5090 | 16.1000 | 97.4000 |
| U1-U3 | 102.0920 | 102.1390 | 22.1000 | 103.5000 |
| U1-U4 | 127.0020 | 127.3540 | 49.3230 | 130.7580 |
| U2-U3 | 46.2860 | 46.3290 | 29.5000 | 110.9000 |
| U2-U4 | 85.5330 | 85.9400 | 70.5390 | 151.9350 |
| U3-U4 | 59.0600 | 59.3980 | 101.5240 | 182.7590 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.20XY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59302.35939029 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416971 |
| DEC | -29.00716 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.499 |
| HIERARCH ESO ISS PBL12 END | 56.509 |
| HIERARCH ESO ISS PBLA12 START | 16.1 |
| HIERARCH ESO ISS PBLA12 END | 97.4 |
| HIERARCH ESO ISS PBL13 START | 102.092 |
| HIERARCH ESO ISS PBL13 END | 102.139 |
| HIERARCH ESO ISS PBLA13 START | 22.1 |
| HIERARCH ESO ISS PBLA13 END | 103.5 |
| HIERARCH ESO ISS PBL14 START | 127.002 |
| HIERARCH ESO ISS PBL14 END | 127.354 |
| HIERARCH ESO ISS PBLA14 START | 49.323 |
| HIERARCH ESO ISS PBLA14 END | 130.758 |
| HIERARCH ESO ISS PBL23 START | 46.286 |
| HIERARCH ESO ISS PBL23 END | 46.329 |
| HIERARCH ESO ISS PBLA23 START | 29.5 |
| HIERARCH ESO ISS PBLA23 END | 110.9 |
| HIERARCH ESO ISS PBL24 START | 85.533 |
| HIERARCH ESO ISS PBL24 END | 85.94 |
| HIERARCH ESO ISS PBLA24 START | 70.539 |
| HIERARCH ESO ISS PBLA24 END | 151.935 |
| HIERARCH ESO ISS PBL34 START | 59.06 |
| HIERARCH ESO ISS PBL34 END | 59.398 |
| HIERARCH ESO ISS PBLA34 START | 101.524 |
| HIERARCH ESO ISS PBLA34 END | 182.759 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005786 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005789 |
| HIERARCH ESO ISS AMBI TEMP | 11.61 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |