Exposure
- ID
- GRAVI.2024-07-18T03:07:21.475_2
- Header ID
- GRAVI.2024-07-18T03:07:21.475
- Date updated
- 2024-07-18 08:25:30 UTC+0000
- Release date
- 2024-07-18 03:07:21 UTC+0000
- UTC Start
- 2024-07-18 03:07:21.475
- UTC End
- 2024-07-18 03:13:21.475
- MJD Start
- 60509.13010966
- MJD End
- 60509.1342763267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.013447
- Ambient temperature (°C)
- 17.42
- Seeing (arcsec)
- 0.36
Observation
- ID
- 60137
- Category
- calibrator
- Program ID
- 113.268P.004
- 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
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 56.2100 | 56.1310 | 28.6000 | 29.2000 |
| U1-U3 | 101.7460 | 101.5680 | 35.0000 | 35.6000 |
| U1-U4 | 129.2850 | 128.9120 | 63.2250 | 63.9230 |
| U2-U3 | 46.3070 | 46.2070 | 42.7000 | 43.4000 |
| U2-U4 | 88.9530 | 88.7010 | 84.2600 | 85.0250 |
| U3-U4 | 62.3650 | 62.2680 | 113.7490 | 114.5690 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60509.13010966 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416896 |
| DEC | -29.00733 |
| 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 | 56.21 |
| HIERARCH ESO ISS PBL12 END | 56.131 |
| HIERARCH ESO ISS PBLA12 START | 28.6 |
| HIERARCH ESO ISS PBLA12 END | 29.2 |
| HIERARCH ESO ISS PBL13 START | 101.746 |
| HIERARCH ESO ISS PBL13 END | 101.568 |
| HIERARCH ESO ISS PBLA13 START | 35.0 |
| HIERARCH ESO ISS PBLA13 END | 35.6 |
| HIERARCH ESO ISS PBL14 START | 129.285 |
| HIERARCH ESO ISS PBL14 END | 128.912 |
| HIERARCH ESO ISS PBLA14 START | 63.225 |
| HIERARCH ESO ISS PBLA14 END | 63.923 |
| HIERARCH ESO ISS PBL23 START | 46.307 |
| HIERARCH ESO ISS PBL23 END | 46.207 |
| HIERARCH ESO ISS PBLA23 START | 42.7 |
| HIERARCH ESO ISS PBLA23 END | 43.4 |
| HIERARCH ESO ISS PBL24 START | 88.953 |
| HIERARCH ESO ISS PBL24 END | 88.701 |
| HIERARCH ESO ISS PBLA24 START | 84.26 |
| HIERARCH ESO ISS PBLA24 END | 85.025 |
| HIERARCH ESO ISS PBL34 START | 62.365 |
| HIERARCH ESO ISS PBL34 END | 62.268 |
| HIERARCH ESO ISS PBLA34 START | 113.749 |
| HIERARCH ESO ISS PBLA34 END | 114.569 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.014959 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011935 |
| HIERARCH ESO ISS AMBI TEMP | 17.42 |
| HIERARCH ESO ISS AMBI FWHM START | 0.32 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |