Exposure
- ID
- GRAVI.2022-05-23T04:25:42.343_2
- Header ID
- GRAVI.2022-05-23T04:25:42.343
- Date updated
- 2022-05-23 04:40:44 UTC+0000
- Release date
- 2023-05-23 04:40:44 UTC+0000
- UTC Start
- 2022-05-23 04:25:42.343
- UTC End
- 2022-05-23 04:31:02.343
- MJD Start
- 59722.18451786
- MJD End
- 59722.1882215637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0088175
- Ambient temperature (°C)
- 11.28
- Seeing (arcsec)
- 0.425
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 | 56.3820 | 56.4010 | 11.2000 | 12.0000 |
| U1-U3 | 101.5900 | 101.6730 | 16.9000 | 17.7000 |
| U1-U4 | 123.4510 | 124.0630 | 43.3190 | 44.3090 |
| U2-U3 | 45.8330 | 45.9090 | 23.9000 | 24.8000 |
| U2-U4 | 81.4480 | 82.1650 | 64.9390 | 65.8640 |
| U3-U4 | 55.7010 | 56.3000 | 97.6390 | 98.2480 |
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 | 59722.18451786 |
| 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 | 56.382 |
| HIERARCH ESO ISS PBL12 END | 56.401 |
| HIERARCH ESO ISS PBLA12 START | 11.2 |
| HIERARCH ESO ISS PBLA12 END | 12.0 |
| HIERARCH ESO ISS PBL13 START | 101.59 |
| HIERARCH ESO ISS PBL13 END | 101.673 |
| HIERARCH ESO ISS PBLA13 START | 16.9 |
| HIERARCH ESO ISS PBLA13 END | 17.7 |
| HIERARCH ESO ISS PBL14 START | 123.451 |
| HIERARCH ESO ISS PBL14 END | 124.063 |
| HIERARCH ESO ISS PBLA14 START | 43.319 |
| HIERARCH ESO ISS PBLA14 END | 44.309 |
| HIERARCH ESO ISS PBL23 START | 45.833 |
| HIERARCH ESO ISS PBL23 END | 45.909 |
| HIERARCH ESO ISS PBLA23 START | 23.9 |
| HIERARCH ESO ISS PBLA23 END | 24.8 |
| HIERARCH ESO ISS PBL24 START | 81.448 |
| HIERARCH ESO ISS PBL24 END | 82.165 |
| HIERARCH ESO ISS PBLA24 START | 64.939 |
| HIERARCH ESO ISS PBLA24 END | 65.864 |
| HIERARCH ESO ISS PBL34 START | 55.701 |
| HIERARCH ESO ISS PBL34 END | 56.3 |
| HIERARCH ESO ISS PBLA34 START | 97.639 |
| HIERARCH ESO ISS PBLA34 END | 98.248 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009194 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008441 |
| HIERARCH ESO ISS AMBI TEMP | 11.28 |
| HIERARCH ESO ISS AMBI FWHM START | 0.42 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |