Exposure
- ID
- GRAVI.2024-04-30T06:57:16.900_2
- Header ID
- GRAVI.2024-04-30T06:57:16.900
- Date updated
- 2024-04-30 07:15:26 UTC+0000
- Release date
- 2024-04-30 06:57:16 UTC+0000
- UTC Start
- 2024-04-30 06:57:16.900
- UTC End
- 2024-04-30 07:03:16.900
- MJD Start
- 60430.28977894
- MJD End
- 60430.2939456067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005828
- Ambient temperature (°C)
- 15.19
- Seeing (arcsec)
- 0.495
Observation
- ID
- 58932
- Category
- calibrator
- Program ID
- 113.268P.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43558
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816666667
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 | 56.5530 | 56.5580 | 19.5000 | 20.3000 |
| U1-U3 | 102.3500 | 102.3890 | 25.7000 | 26.5000 |
| U1-U4 | 128.8760 | 129.2210 | 53.2230 | 54.1230 |
| U2-U3 | 46.5240 | 46.5650 | 33.2000 | 34.1000 |
| U2-U4 | 87.6540 | 88.0520 | 74.2110 | 75.0700 |
| U3-U4 | 60.7810 | 61.1090 | 104.3720 | 105.0780 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60430.28977894 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.41685 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.553 |
| HIERARCH ESO ISS PBL12 END | 56.558 |
| HIERARCH ESO ISS PBLA12 START | 19.5 |
| HIERARCH ESO ISS PBLA12 END | 20.3 |
| HIERARCH ESO ISS PBL13 START | 102.35 |
| HIERARCH ESO ISS PBL13 END | 102.389 |
| HIERARCH ESO ISS PBLA13 START | 25.7 |
| HIERARCH ESO ISS PBLA13 END | 26.5 |
| HIERARCH ESO ISS PBL14 START | 128.876 |
| HIERARCH ESO ISS PBL14 END | 129.221 |
| HIERARCH ESO ISS PBLA14 START | 53.223 |
| HIERARCH ESO ISS PBLA14 END | 54.123 |
| HIERARCH ESO ISS PBL23 START | 46.524 |
| HIERARCH ESO ISS PBL23 END | 46.565 |
| HIERARCH ESO ISS PBLA23 START | 33.2 |
| HIERARCH ESO ISS PBLA23 END | 34.1 |
| HIERARCH ESO ISS PBL24 START | 87.654 |
| HIERARCH ESO ISS PBL24 END | 88.052 |
| HIERARCH ESO ISS PBLA24 START | 74.211 |
| HIERARCH ESO ISS PBLA24 END | 75.07 |
| HIERARCH ESO ISS PBL34 START | 60.781 |
| HIERARCH ESO ISS PBL34 END | 61.109 |
| HIERARCH ESO ISS PBLA34 START | 104.372 |
| HIERARCH ESO ISS PBLA34 END | 105.078 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005828 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005828 |
| HIERARCH ESO ISS AMBI TEMP | 15.19 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.100 |
| HIERARCH ESO FT ROBJ DELTA | -290027.654 |