Exposure
- ID
- GRAVI.2022-05-23T04:45:00.392_2
- Header ID
- GRAVI.2022-05-23T04:45:00.392
- Date updated
- 2022-05-23 05:01:02 UTC+0000
- Release date
- 2023-05-23 05:01:01 UTC+0000
- UTC Start
- 2022-05-23 04:45:00.392
- UTC End
- 2022-05-23 04:50:20.392
- MJD Start
- 59722.1979212
- MJD End
- 59722.2016249037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006579
- Ambient temperature (°C)
- 11.16
- Seeing (arcsec)
- 0.51
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 | 56.4460 | 56.4650 | 13.8000 | 14.6000 |
| U1-U3 | 101.8670 | 101.9450 | 19.7000 | 20.5000 |
| U1-U4 | 125.4420 | 125.9870 | 46.5850 | 47.5150 |
| U2-U3 | 46.0840 | 46.1540 | 26.9000 | 27.8000 |
| U2-U4 | 83.7590 | 84.3820 | 67.9850 | 68.8510 |
| U3-U4 | 57.6150 | 58.1240 | 99.6910 | 100.3010 |
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 | 59722.1979212 |
| 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 | 56.446 |
| HIERARCH ESO ISS PBL12 END | 56.465 |
| HIERARCH ESO ISS PBLA12 START | 13.8 |
| HIERARCH ESO ISS PBLA12 END | 14.6 |
| HIERARCH ESO ISS PBL13 START | 101.867 |
| HIERARCH ESO ISS PBL13 END | 101.945 |
| HIERARCH ESO ISS PBLA13 START | 19.7 |
| HIERARCH ESO ISS PBLA13 END | 20.5 |
| HIERARCH ESO ISS PBL14 START | 125.442 |
| HIERARCH ESO ISS PBL14 END | 125.987 |
| HIERARCH ESO ISS PBLA14 START | 46.585 |
| HIERARCH ESO ISS PBLA14 END | 47.515 |
| HIERARCH ESO ISS PBL23 START | 46.084 |
| HIERARCH ESO ISS PBL23 END | 46.154 |
| HIERARCH ESO ISS PBLA23 START | 26.9 |
| HIERARCH ESO ISS PBLA23 END | 27.8 |
| HIERARCH ESO ISS PBL24 START | 83.759 |
| HIERARCH ESO ISS PBL24 END | 84.382 |
| HIERARCH ESO ISS PBLA24 START | 67.985 |
| HIERARCH ESO ISS PBLA24 END | 68.851 |
| HIERARCH ESO ISS PBL34 START | 57.615 |
| HIERARCH ESO ISS PBL34 END | 58.124 |
| HIERARCH ESO ISS PBLA34 START | 99.691 |
| HIERARCH ESO ISS PBLA34 END | 100.301 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006865 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006293 |
| HIERARCH ESO ISS AMBI TEMP | 11.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |