Exposure
- ID
- GRAVI.2022-03-20T09:21:28.581_1
- Header ID
- GRAVI.2022-03-20T09:21:28.581
- Date updated
- 2022-03-20 09:35:27 UTC+0000
- Release date
- 2023-03-20 09:35:27 UTC+0000
- UTC Start
- 2022-03-20 09:21:28.581
- UTC End
- 2022-03-20 09:26:48.581
- MJD Start
- 59658.38991413
- MJD End
- 59658.3936178337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00647
- Ambient temperature (°C)
- 15.29
- Seeing (arcsec)
- 0.585
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 | 56.5190 | 56.5320 | 17.1000 | 17.8000 |
| U1-U3 | 102.1790 | 102.2380 | 23.2000 | 23.9000 |
| U1-U4 | 127.6080 | 128.0280 | 50.4740 | 51.3200 |
| U2-U3 | 46.3640 | 46.4180 | 30.6000 | 31.4000 |
| U2-U4 | 86.2170 | 86.6910 | 71.6170 | 72.4120 |
| U3-U4 | 59.6140 | 59.9980 | 102.3330 | 102.9430 |
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 | 59658.38991413 |
| 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 | 56.519 |
| HIERARCH ESO ISS PBL12 END | 56.532 |
| HIERARCH ESO ISS PBLA12 START | 17.1 |
| HIERARCH ESO ISS PBLA12 END | 17.8 |
| HIERARCH ESO ISS PBL13 START | 102.179 |
| HIERARCH ESO ISS PBL13 END | 102.238 |
| HIERARCH ESO ISS PBLA13 START | 23.2 |
| HIERARCH ESO ISS PBLA13 END | 23.9 |
| HIERARCH ESO ISS PBL14 START | 127.608 |
| HIERARCH ESO ISS PBL14 END | 128.028 |
| HIERARCH ESO ISS PBLA14 START | 50.474 |
| HIERARCH ESO ISS PBLA14 END | 51.32 |
| HIERARCH ESO ISS PBL23 START | 46.364 |
| HIERARCH ESO ISS PBL23 END | 46.418 |
| HIERARCH ESO ISS PBLA23 START | 30.6 |
| HIERARCH ESO ISS PBLA23 END | 31.4 |
| HIERARCH ESO ISS PBL24 START | 86.217 |
| HIERARCH ESO ISS PBL24 END | 86.691 |
| HIERARCH ESO ISS PBLA24 START | 71.617 |
| HIERARCH ESO ISS PBLA24 END | 72.412 |
| HIERARCH ESO ISS PBL34 START | 59.614 |
| HIERARCH ESO ISS PBL34 END | 59.998 |
| HIERARCH ESO ISS PBLA34 START | 102.333 |
| HIERARCH ESO ISS PBLA34 END | 102.943 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006412 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006528 |
| HIERARCH ESO ISS AMBI TEMP | 15.29 |
| HIERARCH ESO ISS AMBI FWHM START | 0.58 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5310 |