Exposure
- ID
- GRAVI.2021-05-23T08:26:39.748_2
- Header ID
- GRAVI.2021-05-23T08:26:39.748
- Date updated
- 2021-05-23 08:45:32 UTC+0000
- Release date
- 2022-05-23 08:45:32 UTC+0000
- UTC Start
- 2021-05-23 08:26:39.748
- UTC End
- 2021-05-23 08:31:59.748
- MJD Start
- 59357.35184894
- MJD End
- 59357.3555526437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007982
- Ambient temperature (°C)
- 11.54
- Seeing (arcsec)
- 0.295
Observation
- ID
- 47451
- Category
- science
- Program ID
- 105.20B2.002
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35588
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076491944444
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 | 53.7690 | 53.5330 | 36.7000 | 37.1000 |
| U1-U3 | 96.0910 | 95.5470 | 43.0000 | 43.4000 |
| U1-U4 | 116.2250 | 114.9680 | 72.8440 | 73.3520 |
| U2-U3 | 43.0520 | 42.7400 | 50.9000 | 51.3000 |
| U2-U4 | 79.3950 | 78.4800 | 96.3730 | 97.1480 |
| U3-U4 | 57.9970 | 57.5920 | 128.3260 | 129.3460 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59357.35184894 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416924 |
| DEC | -29.00736 |
| 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 | 53.769 |
| HIERARCH ESO ISS PBL12 END | 53.533 |
| HIERARCH ESO ISS PBLA12 START | 36.7 |
| HIERARCH ESO ISS PBLA12 END | 37.1 |
| HIERARCH ESO ISS PBL13 START | 96.091 |
| HIERARCH ESO ISS PBL13 END | 95.547 |
| HIERARCH ESO ISS PBLA13 START | 43.0 |
| HIERARCH ESO ISS PBLA13 END | 43.4 |
| HIERARCH ESO ISS PBL14 START | 116.225 |
| HIERARCH ESO ISS PBL14 END | 114.968 |
| HIERARCH ESO ISS PBLA14 START | 72.844 |
| HIERARCH ESO ISS PBLA14 END | 73.352 |
| HIERARCH ESO ISS PBL23 START | 43.052 |
| HIERARCH ESO ISS PBL23 END | 42.74 |
| HIERARCH ESO ISS PBLA23 START | 50.9 |
| HIERARCH ESO ISS PBLA23 END | 51.3 |
| HIERARCH ESO ISS PBL24 START | 79.395 |
| HIERARCH ESO ISS PBL24 END | 78.48 |
| HIERARCH ESO ISS PBLA24 START | 96.373 |
| HIERARCH ESO ISS PBLA24 END | 97.148 |
| HIERARCH ESO ISS PBL34 START | 57.997 |
| HIERARCH ESO ISS PBL34 END | 57.592 |
| HIERARCH ESO ISS PBLA34 START | 128.326 |
| HIERARCH ESO ISS PBLA34 END | 129.346 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007489 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008475 |
| HIERARCH ESO ISS AMBI TEMP | 11.54 |
| HIERARCH ESO ISS AMBI FWHM START | 0.31 |
| HIERARCH ESO ISS AMBI FWHM END | 0.28 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |