Exposure
- ID
- GRAVI.2022-06-20T06:34:42.018_1
- Header ID
- GRAVI.2022-06-20T06:34:42.018
- Date updated
- 2022-06-20 13:30:55 UTC+0000
- Release date
- 2023-06-20 13:30:53 UTC+0000
- UTC Start
- 2022-06-20 06:34:42.018
- UTC End
- 2022-06-20 06:40:02.018
- MJD Start
- 59750.27409743
- MJD End
- 59750.2778011337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0019725
- Ambient temperature (°C)
- 8.36
- Seeing (arcsec)
- 1.19
Observation
- ID
- 51285
- Category
- science
- Program ID
- 109.22ZA.003
- 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
- 38220
- Name
- S2
- RA
- 266.41687
- DEC
- -29.00722
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 53.8830 | 53.6550 | 36.5000 | 36.9000 |
| U1-U3 | 96.3540 | 95.8270 | 42.8000 | 43.2000 |
| U1-U4 | 116.8380 | 115.6150 | 72.5870 | 73.0940 |
| U2-U3 | 43.2040 | 42.9000 | 50.7000 | 51.1000 |
| U2-U4 | 79.8420 | 78.9500 | 95.9880 | 96.7520 |
| U3-U4 | 58.1970 | 57.8000 | 127.8210 | 128.8240 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59750.27409743 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41687 |
| DEC | -29.00722 |
| 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 | 53.883 |
| HIERARCH ESO ISS PBL12 END | 53.655 |
| HIERARCH ESO ISS PBLA12 START | 36.5 |
| HIERARCH ESO ISS PBLA12 END | 36.9 |
| HIERARCH ESO ISS PBL13 START | 96.354 |
| HIERARCH ESO ISS PBL13 END | 95.827 |
| HIERARCH ESO ISS PBLA13 START | 42.8 |
| HIERARCH ESO ISS PBLA13 END | 43.2 |
| HIERARCH ESO ISS PBL14 START | 116.838 |
| HIERARCH ESO ISS PBL14 END | 115.615 |
| HIERARCH ESO ISS PBLA14 START | 72.587 |
| HIERARCH ESO ISS PBLA14 END | 73.094 |
| HIERARCH ESO ISS PBL23 START | 43.204 |
| HIERARCH ESO ISS PBL23 END | 42.9 |
| HIERARCH ESO ISS PBLA23 START | 50.7 |
| HIERARCH ESO ISS PBLA23 END | 51.1 |
| HIERARCH ESO ISS PBL24 START | 79.842 |
| HIERARCH ESO ISS PBL24 END | 78.95 |
| HIERARCH ESO ISS PBLA24 START | 95.988 |
| HIERARCH ESO ISS PBLA24 END | 96.752 |
| HIERARCH ESO ISS PBL34 START | 58.197 |
| HIERARCH ESO ISS PBL34 END | 57.8 |
| HIERARCH ESO ISS PBLA34 START | 127.821 |
| HIERARCH ESO ISS PBLA34 END | 128.824 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00236 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001585 |
| HIERARCH ESO ISS AMBI TEMP | 8.36 |
| HIERARCH ESO ISS AMBI FWHM START | 0.99 |
| HIERARCH ESO ISS AMBI FWHM END | 1.39 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |