Exposure
- ID
- GRAVI.2022-03-20T09:47:28.647_1
- Header ID
- GRAVI.2022-03-20T09:47:28.647
- Date updated
- 2022-03-20 10:00:51 UTC+0000
- Release date
- 2023-03-20 10:00:51 UTC+0000
- UTC Start
- 2022-03-20 09:47:28.647
- UTC End
- 2022-03-20 09:52:48.647
- MJD Start
- 59658.40797045
- MJD End
- 59658.4116741537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0058825
- Ambient temperature (°C)
- 14.61
- Seeing (arcsec)
- 0.645
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 | 56.5590 | 56.5590 | 20.4000 | 21.1000 |
| U1-U3 | 102.3920 | 102.4160 | 26.6000 | 27.3000 |
| U1-U4 | 129.2510 | 129.5120 | 54.2070 | 54.9860 |
| U2-U3 | 46.5690 | 46.5970 | 34.1000 | 34.9000 |
| U2-U4 | 88.0870 | 88.3950 | 75.1510 | 75.9000 |
| U3-U4 | 61.1390 | 61.3960 | 105.1450 | 105.7750 |
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 | 59658.40797045 |
| 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 | 56.559 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 20.4 |
| HIERARCH ESO ISS PBLA12 END | 21.1 |
| HIERARCH ESO ISS PBL13 START | 102.392 |
| HIERARCH ESO ISS PBL13 END | 102.416 |
| HIERARCH ESO ISS PBLA13 START | 26.6 |
| HIERARCH ESO ISS PBLA13 END | 27.3 |
| HIERARCH ESO ISS PBL14 START | 129.251 |
| HIERARCH ESO ISS PBL14 END | 129.512 |
| HIERARCH ESO ISS PBLA14 START | 54.207 |
| HIERARCH ESO ISS PBLA14 END | 54.986 |
| HIERARCH ESO ISS PBL23 START | 46.569 |
| HIERARCH ESO ISS PBL23 END | 46.597 |
| HIERARCH ESO ISS PBLA23 START | 34.1 |
| HIERARCH ESO ISS PBLA23 END | 34.9 |
| HIERARCH ESO ISS PBL24 START | 88.087 |
| HIERARCH ESO ISS PBL24 END | 88.395 |
| HIERARCH ESO ISS PBLA24 START | 75.151 |
| HIERARCH ESO ISS PBLA24 END | 75.9 |
| HIERARCH ESO ISS PBL34 START | 61.139 |
| HIERARCH ESO ISS PBL34 END | 61.396 |
| HIERARCH ESO ISS PBLA34 START | 105.145 |
| HIERARCH ESO ISS PBLA34 END | 105.775 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006093 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005672 |
| HIERARCH ESO ISS AMBI TEMP | 14.61 |
| HIERARCH ESO ISS AMBI FWHM START | 0.75 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5310 |