Exposure
- ID
- GRAVI.2021-03-29T07:36:04.166_2
- Header ID
- GRAVI.2021-03-29T07:36:04.166
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-29 07:51:30 UTC+0000
- UTC Start
- 2021-03-29 07:36:04.166
- UTC End
- 2021-03-29 07:41:24.166
- MJD Start
- 59302.31671489
- MJD End
- 59302.3204185937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0060655
- Ambient temperature (°C)
- 11.82
- Seeing (arcsec)
- 0.435
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 | 56.3050 | 56.3210 | 7.7000 | 8.5000 |
| U1-U3 | 101.2360 | 101.3140 | 13.1000 | 14.0000 |
| U1-U4 | 120.6220 | 121.2880 | 38.7680 | 39.8460 |
| U2-U3 | 45.4970 | 45.5740 | 19.8000 | 20.8000 |
| U2-U4 | 78.0350 | 78.8550 | 60.6530 | 61.6750 |
| U3-U4 | 52.7820 | 53.4950 | 94.9540 | 95.5760 |
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 | 59302.31671489 |
| 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 | 56.305 |
| HIERARCH ESO ISS PBL12 END | 56.321 |
| HIERARCH ESO ISS PBLA12 START | 7.7 |
| HIERARCH ESO ISS PBLA12 END | 8.5 |
| HIERARCH ESO ISS PBL13 START | 101.236 |
| HIERARCH ESO ISS PBL13 END | 101.314 |
| HIERARCH ESO ISS PBLA13 START | 13.1 |
| HIERARCH ESO ISS PBLA13 END | 14.0 |
| HIERARCH ESO ISS PBL14 START | 120.622 |
| HIERARCH ESO ISS PBL14 END | 121.288 |
| HIERARCH ESO ISS PBLA14 START | 38.768 |
| HIERARCH ESO ISS PBLA14 END | 39.846 |
| HIERARCH ESO ISS PBL23 START | 45.497 |
| HIERARCH ESO ISS PBL23 END | 45.574 |
| HIERARCH ESO ISS PBLA23 START | 19.8 |
| HIERARCH ESO ISS PBLA23 END | 20.8 |
| HIERARCH ESO ISS PBL24 START | 78.035 |
| HIERARCH ESO ISS PBL24 END | 78.855 |
| HIERARCH ESO ISS PBLA24 START | 60.653 |
| HIERARCH ESO ISS PBLA24 END | 61.675 |
| HIERARCH ESO ISS PBL34 START | 52.782 |
| HIERARCH ESO ISS PBL34 END | 53.495 |
| HIERARCH ESO ISS PBLA34 START | 94.954 |
| HIERARCH ESO ISS PBLA34 END | 95.576 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006368 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005763 |
| HIERARCH ESO ISS AMBI TEMP | 11.82 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |