Exposure
- ID
- GRAVI.2024-07-25T04:56:28.225_2
- Header ID
- GRAVI.2024-07-25T04:56:28.225
- Date updated
- 2024-07-25 05:10:36 UTC+0000
- Release date
- 2025-07-25 05:10:36 UTC+0000
- UTC Start
- 2024-07-25 04:56:28.225
- UTC End
- 2024-07-25 05:02:28.225
- MJD Start
- 60516.20588223
- MJD End
- 60516.2100488967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0033645
- Ambient temperature (°C)
- 13.72
- Seeing (arcsec)
- 0.78
Observation
- ID
- 60139
- Category
- science
- 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 | 51.9710 | 51.6180 | 38.9000 | 39.2000 |
| U1-U3 | 91.9660 | 91.1620 | 45.1000 | 45.4000 |
| U1-U4 | 106.7820 | 104.9670 | 76.1780 | 76.7250 |
| U2-U3 | 40.6910 | 40.2330 | 53.0000 | 53.3000 |
| U2-U4 | 72.6160 | 71.3390 | 101.8710 | 102.8770 |
| U3-U4 | 55.1200 | 54.6120 | 135.6240 | 136.9620 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60516.20588223 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417252 |
| DEC | -29.00738 |
| 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 | 51.971 |
| HIERARCH ESO ISS PBL12 END | 51.618 |
| HIERARCH ESO ISS PBLA12 START | 38.9 |
| HIERARCH ESO ISS PBLA12 END | 39.2 |
| HIERARCH ESO ISS PBL13 START | 91.966 |
| HIERARCH ESO ISS PBL13 END | 91.162 |
| HIERARCH ESO ISS PBLA13 START | 45.1 |
| HIERARCH ESO ISS PBLA13 END | 45.4 |
| HIERARCH ESO ISS PBL14 START | 106.782 |
| HIERARCH ESO ISS PBL14 END | 104.967 |
| HIERARCH ESO ISS PBLA14 START | 76.178 |
| HIERARCH ESO ISS PBLA14 END | 76.725 |
| HIERARCH ESO ISS PBL23 START | 40.691 |
| HIERARCH ESO ISS PBL23 END | 40.233 |
| HIERARCH ESO ISS PBLA23 START | 53.0 |
| HIERARCH ESO ISS PBLA23 END | 53.3 |
| HIERARCH ESO ISS PBL24 START | 72.616 |
| HIERARCH ESO ISS PBL24 END | 71.339 |
| HIERARCH ESO ISS PBLA24 START | 101.871 |
| HIERARCH ESO ISS PBLA24 END | 102.877 |
| HIERARCH ESO ISS PBL34 START | 55.12 |
| HIERARCH ESO ISS PBL34 END | 54.612 |
| HIERARCH ESO ISS PBLA34 START | 135.624 |
| HIERARCH ESO ISS PBLA34 END | 136.962 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003571 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003158 |
| HIERARCH ESO ISS AMBI TEMP | 13.72 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.8 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |