Exposure
- ID
- GRAVI.2022-04-24T08:59:47.461_1
- Header ID
- GRAVI.2022-04-24T08:59:47.461
- Date updated
- 2022-04-24 09:15:22 UTC+0000
- Release date
- 2023-04-24 09:15:22 UTC+0000
- UTC Start
- 2022-04-24 08:59:47.461
- UTC End
- 2022-04-24 09:05:07.461
- MJD Start
- 59693.37485487
- MJD End
- 59693.3785585737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00229
- Ambient temperature (°C)
- 9.66
- Seeing (arcsec)
- 1.215
Observation
- ID
- 50592
- 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
- 37785
- Name
- S2
- RA
- 266.416938
- DEC
- -29.00708
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.9910 | 55.8990 | 30.2000 | 30.7000 |
| U1-U3 | 101.2460 | 101.0330 | 36.6000 | 37.1000 |
| U1-U4 | 128.2100 | 127.7340 | 64.9800 | 65.5740 |
| U2-U3 | 46.0240 | 45.9030 | 44.4000 | 44.9000 |
| U2-U4 | 88.2070 | 87.8650 | 86.2080 | 86.8860 |
| U3-U4 | 62.0580 | 61.9060 | 115.8670 | 116.6280 |
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 | 59693.37485487 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416938 |
| DEC | -29.00708 |
| 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 | 55.991 |
| HIERARCH ESO ISS PBL12 END | 55.899 |
| HIERARCH ESO ISS PBLA12 START | 30.2 |
| HIERARCH ESO ISS PBLA12 END | 30.7 |
| HIERARCH ESO ISS PBL13 START | 101.246 |
| HIERARCH ESO ISS PBL13 END | 101.033 |
| HIERARCH ESO ISS PBLA13 START | 36.6 |
| HIERARCH ESO ISS PBLA13 END | 37.1 |
| HIERARCH ESO ISS PBL14 START | 128.21 |
| HIERARCH ESO ISS PBL14 END | 127.734 |
| HIERARCH ESO ISS PBLA14 START | 64.98 |
| HIERARCH ESO ISS PBLA14 END | 65.574 |
| HIERARCH ESO ISS PBL23 START | 46.024 |
| HIERARCH ESO ISS PBL23 END | 45.903 |
| HIERARCH ESO ISS PBLA23 START | 44.4 |
| HIERARCH ESO ISS PBLA23 END | 44.9 |
| HIERARCH ESO ISS PBL24 START | 88.207 |
| HIERARCH ESO ISS PBL24 END | 87.865 |
| HIERARCH ESO ISS PBLA24 START | 86.208 |
| HIERARCH ESO ISS PBLA24 END | 86.886 |
| HIERARCH ESO ISS PBL34 START | 62.058 |
| HIERARCH ESO ISS PBL34 END | 61.906 |
| HIERARCH ESO ISS PBLA34 START | 115.867 |
| HIERARCH ESO ISS PBLA34 END | 116.628 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002361 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002219 |
| HIERARCH ESO ISS AMBI TEMP | 9.66 |
| HIERARCH ESO ISS AMBI FWHM START | 1.25 |
| HIERARCH ESO ISS AMBI FWHM END | 1.18 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5310 |