Exposure
- ID
- GRAVI.2022-06-19T02:56:45.073_2
- Header ID
- GRAVI.2022-06-19T02:56:45.073
- Date updated
- 2022-06-19 03:10:41 UTC+0000
- Release date
- 2023-06-19 03:10:41 UTC+0000
- UTC Start
- 2022-06-19 02:56:45.073
- UTC End
- 2022-06-19 03:02:05.073
- MJD Start
- 59749.1227439
- MJD End
- 59749.1264476037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0027565
- Ambient temperature (°C)
- 7.68
- Seeing (arcsec)
- 1.825
Observation
- ID
- 51275
- Category
- science
- Program ID
- 109.22ZA.003
- 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 | 56.4390 | 56.4580 | 13.5000 | 14.3000 |
| U1-U3 | 101.8380 | 101.9160 | 19.4000 | 20.2000 |
| U1-U4 | 125.2360 | 125.7850 | 46.2390 | 47.1680 |
| U2-U3 | 46.0570 | 46.1280 | 26.6000 | 27.5000 |
| U2-U4 | 83.5230 | 84.1520 | 67.6630 | 68.5290 |
| U3-U4 | 57.4220 | 57.9370 | 99.4670 | 100.0720 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59749.1227439 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416741 |
| DEC | -29.00708 |
| 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 | 56.439 |
| HIERARCH ESO ISS PBL12 END | 56.458 |
| HIERARCH ESO ISS PBLA12 START | 13.5 |
| HIERARCH ESO ISS PBLA12 END | 14.3 |
| HIERARCH ESO ISS PBL13 START | 101.838 |
| HIERARCH ESO ISS PBL13 END | 101.916 |
| HIERARCH ESO ISS PBLA13 START | 19.4 |
| HIERARCH ESO ISS PBLA13 END | 20.2 |
| HIERARCH ESO ISS PBL14 START | 125.236 |
| HIERARCH ESO ISS PBL14 END | 125.785 |
| HIERARCH ESO ISS PBLA14 START | 46.239 |
| HIERARCH ESO ISS PBLA14 END | 47.168 |
| HIERARCH ESO ISS PBL23 START | 46.057 |
| HIERARCH ESO ISS PBL23 END | 46.128 |
| HIERARCH ESO ISS PBLA23 START | 26.6 |
| HIERARCH ESO ISS PBLA23 END | 27.5 |
| HIERARCH ESO ISS PBL24 START | 83.523 |
| HIERARCH ESO ISS PBL24 END | 84.152 |
| HIERARCH ESO ISS PBLA24 START | 67.663 |
| HIERARCH ESO ISS PBLA24 END | 68.529 |
| HIERARCH ESO ISS PBL34 START | 57.422 |
| HIERARCH ESO ISS PBL34 END | 57.937 |
| HIERARCH ESO ISS PBLA34 START | 99.467 |
| HIERARCH ESO ISS PBLA34 END | 100.072 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002617 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002896 |
| HIERARCH ESO ISS AMBI TEMP | 7.68 |
| HIERARCH ESO ISS AMBI FWHM START | 1.84 |
| HIERARCH ESO ISS AMBI FWHM END | 1.81 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |