Exposure
- ID
- GRAVI.2022-03-20T08:46:55.494_1
- Header ID
- GRAVI.2022-03-20T08:46:55.494
- Date updated
- 2022-03-20 09:05:43 UTC+0000
- Release date
- 2023-03-20 09:05:43 UTC+0000
- UTC Start
- 2022-03-20 08:46:55.494
- UTC End
- 2022-03-20 08:52:15.494
- MJD Start
- 59658.36592007
- MJD End
- 59658.3696237737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0051025
- Ambient temperature (°C)
- 15.05
- Seeing (arcsec)
- 0.705
Observation
- ID
- 49993
- Category
- science
- Program ID
- 108.2248.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ OTT/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ HABIBI/ PERRIN/ HORROBIN/ PAUMARD/ LACOUR/ HEIßEL/ VINCENT
Target
- ID
- 37361
- Name
- S2
- RA
- 266.416769
- DEC
- -29.00713
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4140 | 56.4330 | 12.5000 | 13.3000 |
| U1-U3 | 101.7300 | 101.8110 | 18.3000 | 19.1000 |
| U1-U4 | 124.4690 | 125.0520 | 44.9720 | 45.9330 |
| U2-U3 | 45.9600 | 46.0340 | 25.4000 | 26.3000 |
| U2-U4 | 82.6390 | 83.3120 | 66.4820 | 67.3780 |
| U3-U4 | 56.6930 | 57.2480 | 98.6620 | 99.2710 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.2248.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59658.36592007 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416769 |
| DEC | -29.00713 |
| 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 | 56.414 |
| HIERARCH ESO ISS PBL12 END | 56.433 |
| HIERARCH ESO ISS PBLA12 START | 12.5 |
| HIERARCH ESO ISS PBLA12 END | 13.3 |
| HIERARCH ESO ISS PBL13 START | 101.73 |
| HIERARCH ESO ISS PBL13 END | 101.811 |
| HIERARCH ESO ISS PBLA13 START | 18.3 |
| HIERARCH ESO ISS PBLA13 END | 19.1 |
| HIERARCH ESO ISS PBL14 START | 124.469 |
| HIERARCH ESO ISS PBL14 END | 125.052 |
| HIERARCH ESO ISS PBLA14 START | 44.972 |
| HIERARCH ESO ISS PBLA14 END | 45.933 |
| HIERARCH ESO ISS PBL23 START | 45.96 |
| HIERARCH ESO ISS PBL23 END | 46.034 |
| HIERARCH ESO ISS PBLA23 START | 25.4 |
| HIERARCH ESO ISS PBLA23 END | 26.3 |
| HIERARCH ESO ISS PBL24 START | 82.639 |
| HIERARCH ESO ISS PBL24 END | 83.312 |
| HIERARCH ESO ISS PBLA24 START | 66.482 |
| HIERARCH ESO ISS PBLA24 END | 67.378 |
| HIERARCH ESO ISS PBL34 START | 56.693 |
| HIERARCH ESO ISS PBL34 END | 57.248 |
| HIERARCH ESO ISS PBLA34 START | 98.662 |
| HIERARCH ESO ISS PBLA34 END | 99.271 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004435 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00577 |
| HIERARCH ESO ISS AMBI TEMP | 15.05 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5310 |