Exposure
- ID
- GRAVI.2022-05-20T08:47:36.200_1
- Header ID
- GRAVI.2022-05-20T08:47:36.200
- Date updated
- 2022-05-20 09:00:57 UTC+0000
- Release date
- 2023-05-20 09:00:57 UTC+0000
- UTC Start
- 2022-05-20 08:47:36.200
- UTC End
- 2022-05-20 08:52:56.200
- MJD Start
- 59719.3663912
- MJD End
- 59719.3700949037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007848
- Ambient temperature (°C)
- 12.06
- Seeing (arcsec)
- 0.285
Observation
- ID
- 50946
- Category
- science
- Program ID
- 109.22ZA.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 37997
- Name
- S2
- RA
- 266.416858
- DEC
- -29.00723
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 53.4310 | 53.1810 | 37.2000 | 37.6000 |
| U1-U3 | 95.3120 | 94.7370 | 43.5000 | 43.8000 |
| U1-U4 | 114.4270 | 113.1030 | 73.5630 | 74.0610 |
| U2-U3 | 42.6050 | 42.2750 | 51.4000 | 51.7000 |
| U2-U4 | 78.0880 | 77.1300 | 97.4760 | 98.2660 |
| U3-U4 | 57.4200 | 57.0040 | 129.7780 | 130.8230 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59719.3663912 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416858 |
| DEC | -29.00723 |
| 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 | 53.431 |
| HIERARCH ESO ISS PBL12 END | 53.181 |
| HIERARCH ESO ISS PBLA12 START | 37.2 |
| HIERARCH ESO ISS PBLA12 END | 37.6 |
| HIERARCH ESO ISS PBL13 START | 95.312 |
| HIERARCH ESO ISS PBL13 END | 94.737 |
| HIERARCH ESO ISS PBLA13 START | 43.5 |
| HIERARCH ESO ISS PBLA13 END | 43.8 |
| HIERARCH ESO ISS PBL14 START | 114.427 |
| HIERARCH ESO ISS PBL14 END | 113.103 |
| HIERARCH ESO ISS PBLA14 START | 73.563 |
| HIERARCH ESO ISS PBLA14 END | 74.061 |
| HIERARCH ESO ISS PBL23 START | 42.605 |
| HIERARCH ESO ISS PBL23 END | 42.275 |
| HIERARCH ESO ISS PBLA23 START | 51.4 |
| HIERARCH ESO ISS PBLA23 END | 51.7 |
| HIERARCH ESO ISS PBL24 START | 78.088 |
| HIERARCH ESO ISS PBL24 END | 77.13 |
| HIERARCH ESO ISS PBLA24 START | 97.476 |
| HIERARCH ESO ISS PBLA24 END | 98.266 |
| HIERARCH ESO ISS PBL34 START | 57.42 |
| HIERARCH ESO ISS PBL34 END | 57.004 |
| HIERARCH ESO ISS PBLA34 START | 129.778 |
| HIERARCH ESO ISS PBLA34 END | 130.823 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007422 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008274 |
| HIERARCH ESO ISS AMBI TEMP | 12.06 |
| HIERARCH ESO ISS AMBI FWHM START | 0.29 |
| HIERARCH ESO ISS AMBI FWHM END | 0.28 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |