Exposure
- ID
- GRAVI.2022-04-26T08:57:05.232_1
- Header ID
- GRAVI.2022-04-26T08:57:05.232
- Date updated
- 2022-04-26 09:11:14 UTC+0000
- Release date
- 2023-04-26 09:11:14 UTC+0000
- UTC Start
- 2022-04-26 08:57:05.232
- UTC End
- 2022-04-26 09:02:25.232
- MJD Start
- 59695.37297722
- MJD End
- 59695.3766809237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003134
- Ambient temperature (°C)
- 11.1
- Seeing (arcsec)
- 1.4
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 | 55.9080 | 55.8090 | 30.7000 | 31.2000 |
| U1-U3 | 101.0550 | 100.8260 | 37.1000 | 37.6000 |
| U1-U4 | 127.7820 | 127.2620 | 65.5150 | 66.0990 |
| U2-U3 | 45.9150 | 45.7840 | 44.8000 | 45.4000 |
| U2-U4 | 87.8990 | 87.5220 | 86.8190 | 87.4950 |
| U3-U4 | 61.9210 | 61.7500 | 116.5530 | 117.3220 |
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 | 59695.37297722 |
| 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 | 55.908 |
| HIERARCH ESO ISS PBL12 END | 55.809 |
| HIERARCH ESO ISS PBLA12 START | 30.7 |
| HIERARCH ESO ISS PBLA12 END | 31.2 |
| HIERARCH ESO ISS PBL13 START | 101.055 |
| HIERARCH ESO ISS PBL13 END | 100.826 |
| HIERARCH ESO ISS PBLA13 START | 37.1 |
| HIERARCH ESO ISS PBLA13 END | 37.6 |
| HIERARCH ESO ISS PBL14 START | 127.782 |
| HIERARCH ESO ISS PBL14 END | 127.262 |
| HIERARCH ESO ISS PBLA14 START | 65.515 |
| HIERARCH ESO ISS PBLA14 END | 66.099 |
| HIERARCH ESO ISS PBL23 START | 45.915 |
| HIERARCH ESO ISS PBL23 END | 45.784 |
| HIERARCH ESO ISS PBLA23 START | 44.8 |
| HIERARCH ESO ISS PBLA23 END | 45.4 |
| HIERARCH ESO ISS PBL24 START | 87.899 |
| HIERARCH ESO ISS PBL24 END | 87.522 |
| HIERARCH ESO ISS PBLA24 START | 86.819 |
| HIERARCH ESO ISS PBLA24 END | 87.495 |
| HIERARCH ESO ISS PBL34 START | 61.921 |
| HIERARCH ESO ISS PBL34 END | 61.75 |
| HIERARCH ESO ISS PBLA34 START | 116.553 |
| HIERARCH ESO ISS PBLA34 END | 117.322 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003134 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003134 |
| HIERARCH ESO ISS AMBI TEMP | 11.1 |
| HIERARCH ESO ISS AMBI FWHM START | 1.4 |
| HIERARCH ESO ISS AMBI FWHM END | 1.4 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5310 |