Exposure
- ID
- GRAVI.2022-05-23T03:31:45.207_2
- Header ID
- GRAVI.2022-05-23T03:31:45.207
- Date updated
- 2022-05-23 03:45:57 UTC+0000
- Release date
- 2023-05-23 03:45:56 UTC+0000
- UTC Start
- 2022-05-23 03:31:45.207
- UTC End
- 2022-05-23 03:37:05.207
- MJD Start
- 59722.14705101
- MJD End
- 59722.1507547137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006662
- Ambient temperature (°C)
- 11.51
- Seeing (arcsec)
- 0.555
Observation
- ID
- 50947
- 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
- 37996
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076471944444
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.2440 | 56.2530 | 3.5000 | 4.3000 |
| U1-U3 | 100.8880 | 100.9480 | 8.5000 | 9.4000 |
| U1-U4 | 117.1730 | 117.8520 | 32.9260 | 34.1230 |
| U2-U3 | 45.1330 | 45.2000 | 14.8000 | 15.8000 |
| U2-U4 | 73.5810 | 74.4890 | 54.9940 | 56.1720 |
| U3-U4 | 48.7530 | 49.5980 | 91.6770 | 92.3400 |
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 | 59722.14705101 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416757 |
| DEC | -29.00715 |
| 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 | 56.244 |
| HIERARCH ESO ISS PBL12 END | 56.253 |
| HIERARCH ESO ISS PBLA12 START | 3.5 |
| HIERARCH ESO ISS PBLA12 END | 4.3 |
| HIERARCH ESO ISS PBL13 START | 100.888 |
| HIERARCH ESO ISS PBL13 END | 100.948 |
| HIERARCH ESO ISS PBLA13 START | 8.5 |
| HIERARCH ESO ISS PBLA13 END | 9.4 |
| HIERARCH ESO ISS PBL14 START | 117.173 |
| HIERARCH ESO ISS PBL14 END | 117.852 |
| HIERARCH ESO ISS PBLA14 START | 32.926 |
| HIERARCH ESO ISS PBLA14 END | 34.123 |
| HIERARCH ESO ISS PBL23 START | 45.133 |
| HIERARCH ESO ISS PBL23 END | 45.2 |
| HIERARCH ESO ISS PBLA23 START | 14.8 |
| HIERARCH ESO ISS PBLA23 END | 15.8 |
| HIERARCH ESO ISS PBL24 START | 73.581 |
| HIERARCH ESO ISS PBL24 END | 74.489 |
| HIERARCH ESO ISS PBLA24 START | 54.994 |
| HIERARCH ESO ISS PBLA24 END | 56.172 |
| HIERARCH ESO ISS PBL34 START | 48.753 |
| HIERARCH ESO ISS PBL34 END | 49.598 |
| HIERARCH ESO ISS PBLA34 START | 91.677 |
| HIERARCH ESO ISS PBLA34 END | 92.34 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006462 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006862 |
| HIERARCH ESO ISS AMBI TEMP | 11.51 |
| HIERARCH ESO ISS AMBI FWHM START | 0.53 |
| HIERARCH ESO ISS AMBI FWHM END | 0.58 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |