Exposure
- ID
- GRAVI.2022-05-23T05:32:42.512_2
- Header ID
- GRAVI.2022-05-23T05:32:42.512
- Date updated
- 2022-05-23 05:45:47 UTC+0000
- Release date
- 2023-05-23 05:45:47 UTC+0000
- UTC Start
- 2022-05-23 05:32:42.512
- UTC End
- 2022-05-23 05:38:02.512
- MJD Start
- 59722.23104759
- MJD End
- 59722.2347512937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005898
- Ambient temperature (°C)
- 11.34
- Seeing (arcsec)
- 0.52
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 | 56.5570 | 56.5590 | 20.0000 | 20.7000 |
| U1-U3 | 102.3750 | 102.4040 | 26.2000 | 26.9000 |
| U1-U4 | 129.0910 | 129.3720 | 53.7730 | 54.5570 |
| U2-U3 | 46.5500 | 46.5820 | 33.7000 | 34.5000 |
| U2-U4 | 87.9010 | 88.2290 | 74.7350 | 75.4870 |
| U3-U4 | 60.9850 | 61.2570 | 104.8010 | 105.4260 |
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 | 59722.23104759 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416276 |
| DEC | -29.00737 |
| 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 | 56.557 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 20.0 |
| HIERARCH ESO ISS PBLA12 END | 20.7 |
| HIERARCH ESO ISS PBL13 START | 102.375 |
| HIERARCH ESO ISS PBL13 END | 102.404 |
| HIERARCH ESO ISS PBLA13 START | 26.2 |
| HIERARCH ESO ISS PBLA13 END | 26.9 |
| HIERARCH ESO ISS PBL14 START | 129.091 |
| HIERARCH ESO ISS PBL14 END | 129.372 |
| HIERARCH ESO ISS PBLA14 START | 53.773 |
| HIERARCH ESO ISS PBLA14 END | 54.557 |
| HIERARCH ESO ISS PBL23 START | 46.55 |
| HIERARCH ESO ISS PBL23 END | 46.582 |
| HIERARCH ESO ISS PBLA23 START | 33.7 |
| HIERARCH ESO ISS PBLA23 END | 34.5 |
| HIERARCH ESO ISS PBL24 START | 87.901 |
| HIERARCH ESO ISS PBL24 END | 88.229 |
| HIERARCH ESO ISS PBLA24 START | 74.735 |
| HIERARCH ESO ISS PBLA24 END | 75.487 |
| HIERARCH ESO ISS PBL34 START | 60.985 |
| HIERARCH ESO ISS PBL34 END | 61.257 |
| HIERARCH ESO ISS PBLA34 START | 104.801 |
| HIERARCH ESO ISS PBLA34 END | 105.426 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005383 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006413 |
| HIERARCH ESO ISS AMBI TEMP | 11.34 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |