Exposure
- ID
- GRAVI.2022-03-20T08:13:28.410_1
- Header ID
- GRAVI.2022-03-20T08:13:28.410
- Date updated
- 2022-03-20 08:25:46 UTC+0000
- Release date
- 2023-03-20 08:25:46 UTC+0000
- UTC Start
- 2022-03-20 08:13:28.410
- UTC End
- 2022-03-20 08:18:48.410
- MJD Start
- 59658.34268993
- MJD End
- 59658.3463936337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003669
- Ambient temperature (°C)
- 14.29
- Seeing (arcsec)
- 1.38
Observation
- ID
- 49993
- Category
- science
- Program ID
- 108.2248.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ OTT/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ HABIBI/ PERRIN/ HORROBIN/ PAUMARD/ LACOUR/ HEIßEL/ VINCENT
Target
- ID
- 37361
- Name
- S2
- RA
- 266.416769
- DEC
- -29.00713
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3080 | 56.3250 | 7.8000 | 8.6000 |
| U1-U3 | 101.2510 | 101.3300 | 13.3000 | 14.1000 |
| U1-U4 | 120.7450 | 121.4140 | 38.9650 | 40.0470 |
| U2-U3 | 45.5120 | 45.5890 | 20.0000 | 21.0000 |
| U2-U4 | 78.1860 | 79.0080 | 60.8400 | 61.8650 |
| U3-U4 | 52.9130 | 53.6270 | 95.0670 | 95.6920 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.2248.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59658.34268993 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416769 |
| DEC | -29.00713 |
| 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 | 56.308 |
| HIERARCH ESO ISS PBL12 END | 56.325 |
| HIERARCH ESO ISS PBLA12 START | 7.8 |
| HIERARCH ESO ISS PBLA12 END | 8.6 |
| HIERARCH ESO ISS PBL13 START | 101.251 |
| HIERARCH ESO ISS PBL13 END | 101.33 |
| HIERARCH ESO ISS PBLA13 START | 13.3 |
| HIERARCH ESO ISS PBLA13 END | 14.1 |
| HIERARCH ESO ISS PBL14 START | 120.745 |
| HIERARCH ESO ISS PBL14 END | 121.414 |
| HIERARCH ESO ISS PBLA14 START | 38.965 |
| HIERARCH ESO ISS PBLA14 END | 40.047 |
| HIERARCH ESO ISS PBL23 START | 45.512 |
| HIERARCH ESO ISS PBL23 END | 45.589 |
| HIERARCH ESO ISS PBLA23 START | 20.0 |
| HIERARCH ESO ISS PBLA23 END | 21.0 |
| HIERARCH ESO ISS PBL24 START | 78.186 |
| HIERARCH ESO ISS PBL24 END | 79.008 |
| HIERARCH ESO ISS PBLA24 START | 60.84 |
| HIERARCH ESO ISS PBLA24 END | 61.865 |
| HIERARCH ESO ISS PBL34 START | 52.913 |
| HIERARCH ESO ISS PBL34 END | 53.627 |
| HIERARCH ESO ISS PBLA34 START | 95.067 |
| HIERARCH ESO ISS PBLA34 END | 95.692 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003506 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003832 |
| HIERARCH ESO ISS AMBI TEMP | 14.29 |
| HIERARCH ESO ISS AMBI FWHM START | 1.47 |
| HIERARCH ESO ISS AMBI FWHM END | 1.29 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5310 |