Exposure
- ID
- GRAVI.2021-03-28T08:08:02.330_2
- Header ID
- GRAVI.2021-03-28T08:08:02.330
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-28 08:25:20 UTC+0000
- UTC Start
- 2021-03-28 08:08:02.330
- UTC End
- 2021-03-28 08:13:22.330
- MJD Start
- 59301.33891586
- MJD End
- 59301.3426195637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003271
- Ambient temperature (°C)
- 12.31
- Seeing (arcsec)
- 0.795
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 | 56.3920 | 56.4120 | 11.6000 | 12.4000 |
| U1-U3 | 101.6360 | 101.7190 | 17.3000 | 18.2000 |
| U1-U4 | 123.7910 | 124.3950 | 43.8710 | 44.8520 |
| U2-U3 | 45.8750 | 45.9510 | 24.4000 | 25.3000 |
| U2-U4 | 81.8490 | 82.5530 | 65.4550 | 66.3700 |
| U3-U4 | 56.0370 | 56.6220 | 97.9780 | 98.5870 |
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 | 59301.33891586 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416976 |
| DEC | -29.00714 |
| 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 | 56.392 |
| HIERARCH ESO ISS PBL12 END | 56.412 |
| HIERARCH ESO ISS PBLA12 START | 11.6 |
| HIERARCH ESO ISS PBLA12 END | 12.4 |
| HIERARCH ESO ISS PBL13 START | 101.636 |
| HIERARCH ESO ISS PBL13 END | 101.719 |
| HIERARCH ESO ISS PBLA13 START | 17.3 |
| HIERARCH ESO ISS PBLA13 END | 18.2 |
| HIERARCH ESO ISS PBL14 START | 123.791 |
| HIERARCH ESO ISS PBL14 END | 124.395 |
| HIERARCH ESO ISS PBLA14 START | 43.871 |
| HIERARCH ESO ISS PBLA14 END | 44.852 |
| HIERARCH ESO ISS PBL23 START | 45.875 |
| HIERARCH ESO ISS PBL23 END | 45.951 |
| HIERARCH ESO ISS PBLA23 START | 24.4 |
| HIERARCH ESO ISS PBLA23 END | 25.3 |
| HIERARCH ESO ISS PBL24 START | 81.849 |
| HIERARCH ESO ISS PBL24 END | 82.553 |
| HIERARCH ESO ISS PBLA24 START | 65.455 |
| HIERARCH ESO ISS PBLA24 END | 66.37 |
| HIERARCH ESO ISS PBL34 START | 56.037 |
| HIERARCH ESO ISS PBL34 END | 56.622 |
| HIERARCH ESO ISS PBLA34 START | 97.978 |
| HIERARCH ESO ISS PBLA34 END | 98.587 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003057 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003485 |
| HIERARCH ESO ISS AMBI TEMP | 12.31 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |