Exposure
- ID
- GRAVI.2022-05-20T07:58:30.076_1
- Header ID
- GRAVI.2022-05-20T07:58:30.076
- Date updated
- 2022-05-20 08:11:05 UTC+0000
- Release date
- 2023-05-20 08:11:05 UTC+0000
- UTC Start
- 2022-05-20 07:58:30.076
- UTC End
- 2022-05-20 08:03:50.076
- MJD Start
- 59719.33229255
- MJD End
- 59719.3359962537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0080585
- Ambient temperature (°C)
- 12.34
- Seeing (arcsec)
- 0.32
Observation
- ID
- 50946
- Category
- science
- Program ID
- 109.22ZA.002
- 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
- 37997
- Name
- S2
- RA
- 266.416858
- DEC
- -29.00723
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.1360 | 54.9780 | 33.8000 | 34.2000 |
| U1-U3 | 99.2580 | 98.8930 | 40.1000 | 40.6000 |
| U1-U4 | 123.6190 | 122.7630 | 69.0700 | 69.6100 |
| U2-U3 | 44.8790 | 44.6680 | 47.9000 | 48.4000 |
| U2-U4 | 84.8370 | 84.2030 | 91.1310 | 91.8320 |
| U3-U4 | 60.4940 | 60.1970 | 121.6440 | 122.5110 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59719.33229255 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416858 |
| DEC | -29.00723 |
| 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 | 55.136 |
| HIERARCH ESO ISS PBL12 END | 54.978 |
| HIERARCH ESO ISS PBLA12 START | 33.8 |
| HIERARCH ESO ISS PBLA12 END | 34.2 |
| HIERARCH ESO ISS PBL13 START | 99.258 |
| HIERARCH ESO ISS PBL13 END | 98.893 |
| HIERARCH ESO ISS PBLA13 START | 40.1 |
| HIERARCH ESO ISS PBLA13 END | 40.6 |
| HIERARCH ESO ISS PBL14 START | 123.619 |
| HIERARCH ESO ISS PBL14 END | 122.763 |
| HIERARCH ESO ISS PBLA14 START | 69.07 |
| HIERARCH ESO ISS PBLA14 END | 69.61 |
| HIERARCH ESO ISS PBL23 START | 44.879 |
| HIERARCH ESO ISS PBL23 END | 44.668 |
| HIERARCH ESO ISS PBLA23 START | 47.9 |
| HIERARCH ESO ISS PBLA23 END | 48.4 |
| HIERARCH ESO ISS PBL24 START | 84.837 |
| HIERARCH ESO ISS PBL24 END | 84.203 |
| HIERARCH ESO ISS PBLA24 START | 91.131 |
| HIERARCH ESO ISS PBLA24 END | 91.832 |
| HIERARCH ESO ISS PBL34 START | 60.494 |
| HIERARCH ESO ISS PBL34 END | 60.197 |
| HIERARCH ESO ISS PBLA34 START | 121.644 |
| HIERARCH ESO ISS PBLA34 END | 122.511 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00717 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008947 |
| HIERARCH ESO ISS AMBI TEMP | 12.34 |
| HIERARCH ESO ISS AMBI FWHM START | 0.35 |
| HIERARCH ESO ISS AMBI FWHM END | 0.29 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |