Exposure
- ID
- GRAVI.2022-05-23T03:45:24.241_2
- Header ID
- GRAVI.2022-05-23T03:45:24.241
- Date updated
- 2022-05-23 04:00:46 UTC+0000
- Release date
- 2023-05-23 04:00:46 UTC+0000
- UTC Start
- 2022-05-23 03:45:24.241
- UTC End
- 2022-05-23 03:50:44.241
- MJD Start
- 59722.15653057
- MJD End
- 59722.1602342737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0061815
- Ambient temperature (°C)
- 11.27
- Seeing (arcsec)
- 0.565
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 | 56.2680 | 56.2810 | 5.5000 | 6.3000 |
| U1-U3 | 101.0390 | 101.1100 | 10.7000 | 11.6000 |
| U1-U4 | 118.7950 | 119.4770 | 35.7410 | 36.8850 |
| U2-U3 | 45.2980 | 45.3710 | 17.2000 | 18.2000 |
| U2-U4 | 75.7220 | 76.5960 | 57.7480 | 58.8510 |
| U3-U4 | 50.7250 | 51.5110 | 93.2400 | 93.8830 |
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 | 59722.15653057 |
| 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 | 56.268 |
| HIERARCH ESO ISS PBL12 END | 56.281 |
| HIERARCH ESO ISS PBLA12 START | 5.5 |
| HIERARCH ESO ISS PBLA12 END | 6.3 |
| HIERARCH ESO ISS PBL13 START | 101.039 |
| HIERARCH ESO ISS PBL13 END | 101.11 |
| HIERARCH ESO ISS PBLA13 START | 10.7 |
| HIERARCH ESO ISS PBLA13 END | 11.6 |
| HIERARCH ESO ISS PBL14 START | 118.795 |
| HIERARCH ESO ISS PBL14 END | 119.477 |
| HIERARCH ESO ISS PBLA14 START | 35.741 |
| HIERARCH ESO ISS PBLA14 END | 36.885 |
| HIERARCH ESO ISS PBL23 START | 45.298 |
| HIERARCH ESO ISS PBL23 END | 45.371 |
| HIERARCH ESO ISS PBLA23 START | 17.2 |
| HIERARCH ESO ISS PBLA23 END | 18.2 |
| HIERARCH ESO ISS PBL24 START | 75.722 |
| HIERARCH ESO ISS PBL24 END | 76.596 |
| HIERARCH ESO ISS PBLA24 START | 57.748 |
| HIERARCH ESO ISS PBLA24 END | 58.851 |
| HIERARCH ESO ISS PBL34 START | 50.725 |
| HIERARCH ESO ISS PBL34 END | 51.511 |
| HIERARCH ESO ISS PBLA34 START | 93.24 |
| HIERARCH ESO ISS PBLA34 END | 93.883 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006702 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005661 |
| HIERARCH ESO ISS AMBI TEMP | 11.27 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |