Classification of UKIDSS−J185318.36+012454.5 and other eruptive variables using NIR and MIR measurements. In the left panel, the rectangle marks the domain of Class II sources. The Class I domain is above and to the right (Allen et al. 2004). In the right panel the colors are separated into Class I and II domains by the diagonal dashed line (Gutermuth et al. 2008). Arrows show extinction vectors for A_V = 30 (Rieke & Lebofsky 1985; Flaherty et al. 2007). The position of UKIDSS−J185318.36+012454.5 marked by a star. In the right panel the average magnitudes from Tables 1 and 2 are used. The error bars are equal to the standard deviation.