Exposure
- ID
- GRAVI.2022-04-24T07:25:44.223_1
- Header ID
- GRAVI.2022-04-24T07:25:44.223
- Date updated
- 2022-04-24 07:40:34 UTC+0000
- Release date
- 2023-04-24 07:40:33 UTC+0000
- UTC Start
- 2022-04-24 07:25:44.223
- UTC End
- 2022-04-24 07:31:04.223
- MJD Start
- 59693.30953962
- MJD End
- 59693.3132433237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003338
- Ambient temperature (°C)
- 10.5
- Seeing (arcsec)
- 0.72
Observation
- ID
- 50591
- 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
- 37784
- Name
- S2
- RA
- 266.416944
- DEC
- -29.00707
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5560 | 56.5590 | 19.9000 | 20.6000 |
| U1-U3 | 102.3690 | 102.3990 | 26.1000 | 26.8000 |
| U1-U4 | 129.0360 | 129.3240 | 53.6320 | 54.4180 |
| U2-U3 | 46.5440 | 46.5770 | 33.6000 | 34.3000 |
| U2-U4 | 87.8380 | 88.1730 | 74.6010 | 75.3530 |
| U3-U4 | 60.9330 | 61.2100 | 104.6910 | 105.3150 |
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 | 59693.30953962 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416944 |
| DEC | -29.00707 |
| 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 | 56.556 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 19.9 |
| HIERARCH ESO ISS PBLA12 END | 20.6 |
| HIERARCH ESO ISS PBL13 START | 102.369 |
| HIERARCH ESO ISS PBL13 END | 102.399 |
| HIERARCH ESO ISS PBLA13 START | 26.1 |
| HIERARCH ESO ISS PBLA13 END | 26.8 |
| HIERARCH ESO ISS PBL14 START | 129.036 |
| HIERARCH ESO ISS PBL14 END | 129.324 |
| HIERARCH ESO ISS PBLA14 START | 53.632 |
| HIERARCH ESO ISS PBLA14 END | 54.418 |
| HIERARCH ESO ISS PBL23 START | 46.544 |
| HIERARCH ESO ISS PBL23 END | 46.577 |
| HIERARCH ESO ISS PBLA23 START | 33.6 |
| HIERARCH ESO ISS PBLA23 END | 34.3 |
| HIERARCH ESO ISS PBL24 START | 87.838 |
| HIERARCH ESO ISS PBL24 END | 88.173 |
| HIERARCH ESO ISS PBLA24 START | 74.601 |
| HIERARCH ESO ISS PBLA24 END | 75.353 |
| HIERARCH ESO ISS PBL34 START | 60.933 |
| HIERARCH ESO ISS PBL34 END | 61.21 |
| HIERARCH ESO ISS PBLA34 START | 104.691 |
| HIERARCH ESO ISS PBLA34 END | 105.315 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003338 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003338 |
| HIERARCH ESO ISS AMBI TEMP | 10.5 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.71 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5310 |