Exposure
- ID
- GRAVI.2022-04-26T07:57:32.082_1
- Header ID
- GRAVI.2022-04-26T07:57:32.082
- Date updated
- 2022-04-26 08:10:55 UTC+0000
- Release date
- 2023-04-26 08:10:54 UTC+0000
- UTC Start
- 2022-04-26 07:57:32.082
- UTC End
- 2022-04-26 08:02:52.082
- MJD Start
- 59695.33162132
- MJD End
- 59695.3353250237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003134
- Ambient temperature (°C)
- 10.94
- Seeing (arcsec)
- 2.08
Observation
- ID
- 50602
- Category
- science
- Program ID
- 109.22ZA.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/ OTT/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 37791
- Name
- S2
- RA
- 266.416815
- DEC
- -29.00698
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5000 | 56.4740 | 24.6000 | 25.2000 |
| U1-U3 | 102.3660 | 102.3170 | 30.9000 | 31.5000 |
| U1-U4 | 130.2050 | 130.2030 | 58.8150 | 59.5100 |
| U2-U3 | 46.6270 | 46.6070 | 38.6000 | 39.2000 |
| U2-U4 | 89.3540 | 89.4120 | 79.6620 | 80.3650 |
| U3-U4 | 62.2850 | 62.3710 | 109.1450 | 109.8120 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59695.33162132 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416815 |
| DEC | -29.00698 |
| 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 | 56.5 |
| HIERARCH ESO ISS PBL12 END | 56.474 |
| HIERARCH ESO ISS PBLA12 START | 24.6 |
| HIERARCH ESO ISS PBLA12 END | 25.2 |
| HIERARCH ESO ISS PBL13 START | 102.366 |
| HIERARCH ESO ISS PBL13 END | 102.317 |
| HIERARCH ESO ISS PBLA13 START | 30.9 |
| HIERARCH ESO ISS PBLA13 END | 31.5 |
| HIERARCH ESO ISS PBL14 START | 130.205 |
| HIERARCH ESO ISS PBL14 END | 130.203 |
| HIERARCH ESO ISS PBLA14 START | 58.815 |
| HIERARCH ESO ISS PBLA14 END | 59.51 |
| HIERARCH ESO ISS PBL23 START | 46.627 |
| HIERARCH ESO ISS PBL23 END | 46.607 |
| HIERARCH ESO ISS PBLA23 START | 38.6 |
| HIERARCH ESO ISS PBLA23 END | 39.2 |
| HIERARCH ESO ISS PBL24 START | 89.354 |
| HIERARCH ESO ISS PBL24 END | 89.412 |
| HIERARCH ESO ISS PBLA24 START | 79.662 |
| HIERARCH ESO ISS PBLA24 END | 80.365 |
| HIERARCH ESO ISS PBL34 START | 62.285 |
| HIERARCH ESO ISS PBL34 END | 62.371 |
| HIERARCH ESO ISS PBLA34 START | 109.145 |
| HIERARCH ESO ISS PBLA34 END | 109.812 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003134 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003134 |
| HIERARCH ESO ISS AMBI TEMP | 10.94 |
| HIERARCH ESO ISS AMBI FWHM START | 2.08 |
| HIERARCH ESO ISS AMBI FWHM END | 2.08 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5310 |