Exposure
- ID
- GRAVI.2021-03-29T08:31:16.305_2
- Header ID
- GRAVI.2021-03-29T08:31:16.305
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-29 08:50:22 UTC+0000
- UTC Start
- 2021-03-29 08:31:16.305
- UTC End
- 2021-03-29 08:36:36.305
- MJD Start
- 59302.35504983
- MJD End
- 59302.3587535337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005105
- Ambient temperature (°C)
- 11.66
- Seeing (arcsec)
- 0.575
Observation
- ID
- 47323
- Category
- science
- Program ID
- 106.20XY.001
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ KERVELLA/ OTT/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ HABIBI/ HENNING/ PAUMARD/ PERRIN/ HORROBIN/ CL\XC3\XA9NET
Target
- ID
- 35487
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076493888889
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 | 56.4810 | 56.4980 | 15.3000 | 16.0000 |
| U1-U3 | 102.0150 | 102.0860 | 21.3000 | 22.1000 |
| U1-U4 | 126.4660 | 126.9600 | 48.3530 | 49.2460 |
| U2-U3 | 46.2160 | 46.2800 | 28.6000 | 29.4000 |
| U2-U4 | 84.9260 | 85.4860 | 69.6330 | 70.4670 |
| U3-U4 | 58.5680 | 59.0220 | 100.8610 | 101.4710 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.20XY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59302.35504983 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416971 |
| DEC | -29.00716 |
| 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 | 56.481 |
| HIERARCH ESO ISS PBL12 END | 56.498 |
| HIERARCH ESO ISS PBLA12 START | 15.3 |
| HIERARCH ESO ISS PBLA12 END | 16.0 |
| HIERARCH ESO ISS PBL13 START | 102.015 |
| HIERARCH ESO ISS PBL13 END | 102.086 |
| HIERARCH ESO ISS PBLA13 START | 21.3 |
| HIERARCH ESO ISS PBLA13 END | 22.1 |
| HIERARCH ESO ISS PBL14 START | 126.466 |
| HIERARCH ESO ISS PBL14 END | 126.96 |
| HIERARCH ESO ISS PBLA14 START | 48.353 |
| HIERARCH ESO ISS PBLA14 END | 49.246 |
| HIERARCH ESO ISS PBL23 START | 46.216 |
| HIERARCH ESO ISS PBL23 END | 46.28 |
| HIERARCH ESO ISS PBLA23 START | 28.6 |
| HIERARCH ESO ISS PBLA23 END | 29.4 |
| HIERARCH ESO ISS PBL24 START | 84.926 |
| HIERARCH ESO ISS PBL24 END | 85.486 |
| HIERARCH ESO ISS PBLA24 START | 69.633 |
| HIERARCH ESO ISS PBLA24 END | 70.467 |
| HIERARCH ESO ISS PBL34 START | 58.568 |
| HIERARCH ESO ISS PBL34 END | 59.022 |
| HIERARCH ESO ISS PBLA34 START | 100.861 |
| HIERARCH ESO ISS PBLA34 END | 101.471 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004932 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005278 |
| HIERARCH ESO ISS AMBI TEMP | 11.66 |
| HIERARCH ESO ISS AMBI FWHM START | 0.58 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |