Exposure
- ID
- GRAVI.2021-06-25T06:51:00.800_2
- Header ID
- GRAVI.2021-06-25T06:51:00.800
- Date updated
- 2021-06-25 07:05:39 UTC+0000
- Release date
- 2022-06-25 07:05:39 UTC+0000
- UTC Start
- 2021-06-25 06:51:00.800
- UTC End
- 2021-06-25 06:56:20.800
- MJD Start
- 59390.28542593
- MJD End
- 59390.2891296337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0065595
- Ambient temperature (°C)
- 10.17
- Seeing (arcsec)
- 0.495
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- 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
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- 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 | 52.1990 | 51.8960 | 38.7000 | 39.0000 |
| U1-U3 | 92.4870 | 91.7950 | 44.9000 | 45.2000 |
| U1-U4 | 107.9610 | 106.3920 | 75.8090 | 76.2950 |
| U2-U3 | 40.9880 | 40.5930 | 52.8000 | 53.1000 |
| U2-U4 | 73.4490 | 72.3400 | 101.2110 | 102.0860 |
| U3-U4 | 55.4570 | 55.0070 | 134.7460 | 135.9150 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59390.28542593 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.4168 |
| DEC | -29.00706 |
| 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 | 52.199 |
| HIERARCH ESO ISS PBL12 END | 51.896 |
| HIERARCH ESO ISS PBLA12 START | 38.7 |
| HIERARCH ESO ISS PBLA12 END | 39.0 |
| HIERARCH ESO ISS PBL13 START | 92.487 |
| HIERARCH ESO ISS PBL13 END | 91.795 |
| HIERARCH ESO ISS PBLA13 START | 44.9 |
| HIERARCH ESO ISS PBLA13 END | 45.2 |
| HIERARCH ESO ISS PBL14 START | 107.961 |
| HIERARCH ESO ISS PBL14 END | 106.392 |
| HIERARCH ESO ISS PBLA14 START | 75.809 |
| HIERARCH ESO ISS PBLA14 END | 76.295 |
| HIERARCH ESO ISS PBL23 START | 40.988 |
| HIERARCH ESO ISS PBL23 END | 40.593 |
| HIERARCH ESO ISS PBLA23 START | 52.8 |
| HIERARCH ESO ISS PBLA23 END | 53.1 |
| HIERARCH ESO ISS PBL24 START | 73.449 |
| HIERARCH ESO ISS PBL24 END | 72.34 |
| HIERARCH ESO ISS PBLA24 START | 101.211 |
| HIERARCH ESO ISS PBLA24 END | 102.086 |
| HIERARCH ESO ISS PBL34 START | 55.457 |
| HIERARCH ESO ISS PBL34 END | 55.007 |
| HIERARCH ESO ISS PBLA34 START | 134.746 |
| HIERARCH ESO ISS PBLA34 END | 135.915 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006267 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006852 |
| HIERARCH ESO ISS AMBI TEMP | 10.17 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.51 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |